17996855140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{89599}}^1$

素因数の和:89713

約数の個数: 72

約数和(自身を含む): 42042470400

約数和(自身を除く): 24045615260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 121, 166, 220, 242, 332, 415, 484, 605, 830, 913, 1210, 1660, 1826, 2420, 3652, 4565, 9130, 10043, 18260, 20086, 40172, 50215, 89599, 100430, 179198, 200860, 358396, 447995, 895990, 985589, 1791980, 1971178, 3942356, 4927945, 7436717, 9855890, 10841479, 14873434, 19711780, 21682958, 29746868, 37183585, 43365916, 54207395, 74367170, 81803887, 108414790, 148734340, 163607774, 216829580, 327215548, 409019435, 818038870, 899842757, 1636077740, 1799685514, 3599371028, 4499213785, 8998427570, 17996855140]

約数ペア:

[(1, 17996855140), (2, 8998427570), (4, 4499213785), (5, 3599371028), (10, 1799685514), (11, 1636077740), (20, 899842757), (22, 818038870), (44, 409019435), (55, 327215548), (83, 216829580), (110, 163607774), (121, 148734340), (166, 108414790), (220, 81803887), (242, 74367170), (332, 54207395), (415, 43365916), (484, 37183585), (605, 29746868), (830, 21682958), (913, 19711780), (1210, 14873434), (1660, 10841479), (1826, 9855890), (2420, 7436717), (3652, 4927945), (4565, 3942356), (9130, 1971178), (10043, 1791980), (18260, 985589), (20086, 895990), (40172, 447995), (50215, 358396), (89599, 200860), (100430, 179198)]