100019920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1249}}^1$

素因数の和:1293

約数の個数: 160

約数和(自身を含む): 312480000

約数和(自身を除く): 212460080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 176, 182, 208, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 560, 572, 616, 715, 728, 770, 880, 910, 1001, 1040, 1144, 1232, 1249, 1430, 1456, 1540, 1820, 2002, 2288, 2498, 2860, 3080, 3640, 4004, 4996, 5005, 5720, 6160, 6245, 7280, 8008, 8743, 9992, 10010, 11440, 12490, 13739, 16016, 16237, 17486, 19984, 20020, 24980, 27478, 32474, 34972, 40040, 43715, 49960, 54956, 64948, 68695, 69944, 80080, 81185, 87430, 96173, 99920, 109912, 113659, 129896, 137390, 139888, 162370, 174860, 178607, 192346, 219824, 227318, 259792, 274780, 324740, 349720, 357214, 384692, 454636, 480865, 549560, 568295, 649480, 699440, 714428, 769384, 893035, 909272, 961730, 1099120, 1136590, 1250249, 1298960, 1428856, 1538768, 1786070, 1818544, 1923460, 2273180, 2500498, 2857712, 3572140, 3846920, 4546360, 5000996, 6251245, 7144280, 7693840, 9092720, 10001992, 12502490, 14288560, 20003984, 25004980, 50009960, 100019920]

約数ペア:

[(1, 100019920), (2, 50009960), (4, 25004980), (5, 20003984), (7, 14288560), (8, 12502490), (10, 10001992), (11, 9092720), (13, 7693840), (14, 7144280), (16, 6251245), (20, 5000996), (22, 4546360), (26, 3846920), (28, 3572140), (35, 2857712), (40, 2500498), (44, 2273180), (52, 1923460), (55, 1818544), (56, 1786070), (65, 1538768), (70, 1428856), (77, 1298960), (80, 1250249), (88, 1136590), (91, 1099120), (104, 961730), (110, 909272), (112, 893035), (130, 769384), (140, 714428), (143, 699440), (154, 649480), (176, 568295), (182, 549560), (208, 480865), (220, 454636), (260, 384692), (280, 357214), (286, 349720), (308, 324740), (364, 274780), (385, 259792), (440, 227318), (455, 219824), (520, 192346), (560, 178607), (572, 174860), (616, 162370), (715, 139888), (728, 137390), (770, 129896), (880, 113659), (910, 109912), (1001, 99920), (1040, 96173), (1144, 87430), (1232, 81185), (1249, 80080), (1430, 69944), (1456, 68695), (1540, 64948), (1820, 54956), (2002, 49960), (2288, 43715), (2498, 40040), (2860, 34972), (3080, 32474), (3640, 27478), (4004, 24980), (4996, 20020), (5005, 19984), (5720, 17486), (6160, 16237), (6245, 16016), (7280, 13739), (8008, 12490), (8743, 11440), (9992, 10010)]