19619600

素因数分解:

$2^4\times 5^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:63

約数の個数: 240

約数和(自身を含む): 64579200

約数和(自身を除く): 44959600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 25, 26, 28, 35, 40, 44, 49, 50, 52, 55, 56, 65, 70, 77, 80, 88, 91, 98, 100, 104, 110, 112, 130, 140, 143, 154, 175, 176, 182, 196, 200, 208, 220, 245, 260, 275, 280, 286, 308, 325, 343, 350, 364, 385, 392, 400, 440, 455, 490, 520, 539, 550, 560, 572, 616, 637, 650, 686, 700, 715, 728, 770, 784, 880, 910, 980, 1001, 1040, 1078, 1100, 1144, 1225, 1232, 1274, 1300, 1372, 1400, 1430, 1456, 1540, 1715, 1820, 1925, 1960, 2002, 2156, 2200, 2275, 2288, 2450, 2548, 2600, 2695, 2744, 2800, 2860, 3080, 3185, 3430, 3575, 3640, 3773, 3850, 3920, 4004, 4312, 4400, 4459, 4550, 4900, 5005, 5096, 5200, 5390, 5488, 5720, 6160, 6370, 6860, 7007, 7150, 7280, 7546, 7700, 8008, 8575, 8624, 8918, 9100, 9800, 10010, 10192, 10780, 11440, 12740, 13475, 13720, 14014, 14300, 15092, 15400, 15925, 16016, 17150, 17836, 18200, 18865, 19600, 20020, 21560, 22295, 25025, 25480, 26950, 27440, 28028, 28600, 30184, 30800, 31850, 34300, 35035, 35672, 36400, 37730, 40040, 43120, 44590, 49049, 50050, 50960, 53900, 56056, 57200, 60368, 63700, 68600, 70070, 71344, 75460, 80080, 89180, 94325, 98098, 100100, 107800, 111475, 112112, 127400, 137200, 140140, 150920, 175175, 178360, 188650, 196196, 200200, 215600, 222950, 245245, 254800, 280280, 301840, 350350, 356720, 377300, 392392, 400400, 445900, 490490, 560560, 700700, 754600, 784784, 891800, 980980, 1226225, 1401400, 1509200, 1783600, 1961960, 2452450, 2802800, 3923920, 4904900, 9809800, 19619600]

約数ペア:

[(1, 19619600), (2, 9809800), (4, 4904900), (5, 3923920), (7, 2802800), (8, 2452450), (10, 1961960), (11, 1783600), (13, 1509200), (14, 1401400), (16, 1226225), (20, 980980), (22, 891800), (25, 784784), (26, 754600), (28, 700700), (35, 560560), (40, 490490), (44, 445900), (49, 400400), (50, 392392), (52, 377300), (55, 356720), (56, 350350), (65, 301840), (70, 280280), (77, 254800), (80, 245245), (88, 222950), (91, 215600), (98, 200200), (100, 196196), (104, 188650), (110, 178360), (112, 175175), (130, 150920), (140, 140140), (143, 137200), (154, 127400), (175, 112112), (176, 111475), (182, 107800), (196, 100100), (200, 98098), (208, 94325), (220, 89180), (245, 80080), (260, 75460), (275, 71344), (280, 70070), (286, 68600), (308, 63700), (325, 60368), (343, 57200), (350, 56056), (364, 53900), (385, 50960), (392, 50050), (400, 49049), (440, 44590), (455, 43120), (490, 40040), (520, 37730), (539, 36400), (550, 35672), (560, 35035), (572, 34300), (616, 31850), (637, 30800), (650, 30184), (686, 28600), (700, 28028), (715, 27440), (728, 26950), (770, 25480), (784, 25025), (880, 22295), (910, 21560), (980, 20020), (1001, 19600), (1040, 18865), (1078, 18200), (1100, 17836), (1144, 17150), (1225, 16016), (1232, 15925), (1274, 15400), (1300, 15092), (1372, 14300), (1400, 14014), (1430, 13720), (1456, 13475), (1540, 12740), (1715, 11440), (1820, 10780), (1925, 10192), (1960, 10010), (2002, 9800), (2156, 9100), (2200, 8918), (2275, 8624), (2288, 8575), (2450, 8008), (2548, 7700), (2600, 7546), (2695, 7280), (2744, 7150), (2800, 7007), (2860, 6860), (3080, 6370), (3185, 6160), (3430, 5720), (3575, 5488), (3640, 5390), (3773, 5200), (3850, 5096), (3920, 5005), (4004, 4900), (4312, 4550), (4400, 4459)]