219892968970

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1\times {\mathrm{8923}}^1$

素因数の和:9631

約数の個数: 64

約数和(自身を含む): 408724911360

約数和(自身を除く): 188831942390

約数列:

[1, 2, 5, 10, 61, 71, 122, 142, 305, 355, 569, 610, 710, 1138, 2845, 4331, 5690, 8662, 8923, 17846, 21655, 34709, 40399, 43310, 44615, 69418, 80798, 89230, 173545, 201995, 347090, 403990, 544303, 633533, 1088606, 1267066, 2464339, 2721515, 3167665, 4928678, 5077187, 5443030, 6335330, 10154374, 12321695, 24643390, 25385935, 38645513, 50771870, 77291026, 193227565, 309708407, 360480277, 386455130, 619416814, 720960554, 1548542035, 1802401385, 3097084070, 3604802770, 21989296897, 43978593794, 109946484485, 219892968970]

約数ペア:

[(1, 219892968970), (2, 109946484485), (5, 43978593794), (10, 21989296897), (61, 3604802770), (71, 3097084070), (122, 1802401385), (142, 1548542035), (305, 720960554), (355, 619416814), (569, 386455130), (610, 360480277), (710, 309708407), (1138, 193227565), (2845, 77291026), (4331, 50771870), (5690, 38645513), (8662, 25385935), (8923, 24643390), (17846, 12321695), (21655, 10154374), (34709, 6335330), (40399, 5443030), (43310, 5077187), (44615, 4928678), (69418, 3167665), (80798, 2721515), (89230, 2464339), (173545, 1267066), (201995, 1088606), (347090, 633533), (403990, 544303)]