19710499900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{7547}}^1$

素因数の和:7629

約数の個数: 216

約数和(自身を含む): 54896392656

約数和(自身を除く): 35185892756

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 41, 49, 50, 52, 65, 70, 82, 91, 98, 100, 130, 140, 164, 175, 182, 196, 205, 245, 260, 287, 325, 350, 364, 410, 455, 490, 533, 574, 637, 650, 700, 820, 910, 980, 1025, 1066, 1148, 1225, 1274, 1300, 1435, 1820, 2009, 2050, 2132, 2275, 2450, 2548, 2665, 2870, 3185, 3731, 4018, 4100, 4550, 4900, 5330, 5740, 6370, 7175, 7462, 7547, 8036, 9100, 10045, 10660, 12740, 13325, 14350, 14924, 15094, 15925, 18655, 20090, 26117, 26650, 28700, 30188, 31850, 37310, 37735, 40180, 50225, 52234, 52829, 53300, 63700, 74620, 75470, 93275, 98111, 100450, 104468, 105658, 130585, 150940, 186550, 188675, 196222, 200900, 211316, 261170, 264145, 309427, 369803, 373100, 377350, 392444, 490555, 522340, 528290, 618854, 652925, 686777, 739606, 754700, 981110, 1056580, 1237708, 1305850, 1320725, 1373554, 1479212, 1547135, 1849015, 1962220, 2165989, 2452775, 2611700, 2641450, 2747108, 3094270, 3433885, 3698030, 4022551, 4331978, 4807439, 4905550, 5282900, 6188540, 6867770, 7396060, 7735675, 8045102, 8663956, 9245075, 9614878, 9811100, 10829945, 13735540, 15161923, 15471350, 16090204, 17169425, 18490150, 19229756, 20112755, 21659890, 24037195, 28157857, 30323846, 30942700, 34338850, 36980300, 40225510, 43319780, 48074390, 54149725, 56315714, 60647692, 68677700, 75809615, 80451020, 96148780, 100563775, 108299450, 112631428, 120185975, 140789285, 151619230, 197104999, 201127550, 216598900, 240371950, 281578570, 303238460, 379048075, 394209998, 402255100, 480743900, 563157140, 703946425, 758096150, 788419996, 985524995, 1407892850, 1516192300, 1971049990, 2815785700, 3942099980, 4927624975, 9855249950, 19710499900]

約数ペア:

[(1, 19710499900), (2, 9855249950), (4, 4927624975), (5, 3942099980), (7, 2815785700), (10, 1971049990), (13, 1516192300), (14, 1407892850), (20, 985524995), (25, 788419996), (26, 758096150), (28, 703946425), (35, 563157140), (41, 480743900), (49, 402255100), (50, 394209998), (52, 379048075), (65, 303238460), (70, 281578570), (82, 240371950), (91, 216598900), (98, 201127550), (100, 197104999), (130, 151619230), (140, 140789285), (164, 120185975), (175, 112631428), (182, 108299450), (196, 100563775), (205, 96148780), (245, 80451020), (260, 75809615), (287, 68677700), (325, 60647692), (350, 56315714), (364, 54149725), (410, 48074390), (455, 43319780), (490, 40225510), (533, 36980300), (574, 34338850), (637, 30942700), (650, 30323846), (700, 28157857), (820, 24037195), (910, 21659890), (980, 20112755), (1025, 19229756), (1066, 18490150), (1148, 17169425), (1225, 16090204), (1274, 15471350), (1300, 15161923), (1435, 13735540), (1820, 10829945), (2009, 9811100), (2050, 9614878), (2132, 9245075), (2275, 8663956), (2450, 8045102), (2548, 7735675), (2665, 7396060), (2870, 6867770), (3185, 6188540), (3731, 5282900), (4018, 4905550), (4100, 4807439), (4550, 4331978), (4900, 4022551), (5330, 3698030), (5740, 3433885), (6370, 3094270), (7175, 2747108), (7462, 2641450), (7547, 2611700), (8036, 2452775), (9100, 2165989), (10045, 1962220), (10660, 1849015), (12740, 1547135), (13325, 1479212), (14350, 1373554), (14924, 1320725), (15094, 1305850), (15925, 1237708), (18655, 1056580), (20090, 981110), (26117, 754700), (26650, 739606), (28700, 686777), (30188, 652925), (31850, 618854), (37310, 528290), (37735, 522340), (40180, 490555), (50225, 392444), (52234, 377350), (52829, 373100), (53300, 369803), (63700, 309427), (74620, 264145), (75470, 261170), (93275, 211316), (98111, 200900), (100450, 196222), (104468, 188675), (105658, 186550), (130585, 150940)]