2215692778840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2539}}^1\times {\mathrm{357649}}^1$

素因数の和:360260

約数の個数: 64

約数和(自身を含む): 5069044980000

約数和(自身を除く): 2853352201160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 2539, 5078, 10156, 12695, 20312, 25390, 50780, 101560, 154879, 309758, 357649, 619516, 715298, 774395, 1239032, 1430596, 1548790, 1788245, 2861192, 3097580, 3576490, 6195160, 7152980, 14305960, 21816589, 43633178, 87266356, 109082945, 174532712, 218165890, 436331780, 872663560, 908070811, 1816141622, 3632283244, 4540354055, 7264566488, 9080708110, 18161416220, 36322832440, 55392319471, 110784638942, 221569277884, 276961597355, 443138555768, 553923194710, 1107846389420, 2215692778840]

約数ペア:

[(1, 2215692778840), (2, 1107846389420), (4, 553923194710), (5, 443138555768), (8, 276961597355), (10, 221569277884), (20, 110784638942), (40, 55392319471), (61, 36322832440), (122, 18161416220), (244, 9080708110), (305, 7264566488), (488, 4540354055), (610, 3632283244), (1220, 1816141622), (2440, 908070811), (2539, 872663560), (5078, 436331780), (10156, 218165890), (12695, 174532712), (20312, 109082945), (25390, 87266356), (50780, 43633178), (101560, 21816589), (154879, 14305960), (309758, 7152980), (357649, 6195160), (619516, 3576490), (715298, 3097580), (774395, 2861192), (1239032, 1788245), (1430596, 1548790)]