99428780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:351

約数の個数: 96

約数和(自身を含む): 239984640

約数和(自身を除く): 140555860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 61, 62, 110, 122, 124, 155, 220, 239, 244, 305, 310, 341, 478, 610, 620, 671, 682, 956, 1195, 1220, 1342, 1364, 1705, 1891, 2390, 2629, 2684, 3355, 3410, 3782, 4780, 5258, 6710, 6820, 7409, 7564, 9455, 10516, 13145, 13420, 14579, 14818, 18910, 20801, 26290, 29158, 29636, 37045, 37820, 41602, 52580, 58316, 72895, 74090, 81499, 83204, 104005, 145790, 148180, 160369, 162998, 208010, 291580, 320738, 325996, 407495, 416020, 451949, 641476, 801845, 814990, 903898, 1603690, 1629980, 1807796, 2259745, 3207380, 4519490, 4971439, 9038980, 9942878, 19885756, 24857195, 49714390, 99428780]

約数ペア:

[(1, 99428780), (2, 49714390), (4, 24857195), (5, 19885756), (10, 9942878), (11, 9038980), (20, 4971439), (22, 4519490), (31, 3207380), (44, 2259745), (55, 1807796), (61, 1629980), (62, 1603690), (110, 903898), (122, 814990), (124, 801845), (155, 641476), (220, 451949), (239, 416020), (244, 407495), (305, 325996), (310, 320738), (341, 291580), (478, 208010), (610, 162998), (620, 160369), (671, 148180), (682, 145790), (956, 104005), (1195, 83204), (1220, 81499), (1342, 74090), (1364, 72895), (1705, 58316), (1891, 52580), (2390, 41602), (2629, 37820), (2684, 37045), (3355, 29636), (3410, 29158), (3782, 26290), (4780, 20801), (5258, 18910), (6710, 14818), (6820, 14579), (7409, 13420), (7564, 13145), (9455, 10516)]