2218373320

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{293}}^1\times {\mathrm{991}}^1$

素因数の和:1486

約数の個数: 64

約数和(自身を含む): 5039677440

約数和(自身を除く): 2821304120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 293, 382, 586, 764, 955, 991, 1172, 1465, 1528, 1910, 1982, 2344, 2930, 3820, 3964, 4955, 5860, 7640, 7928, 9910, 11720, 19820, 39640, 55963, 111926, 189281, 223852, 279815, 290363, 378562, 447704, 559630, 580726, 757124, 946405, 1119260, 1161452, 1451815, 1514248, 1892810, 2238520, 2322904, 2903630, 3785620, 5807260, 7571240, 11614520, 55459333, 110918666, 221837332, 277296665, 443674664, 554593330, 1109186660, 2218373320]

約数ペア:

[(1, 2218373320), (2, 1109186660), (4, 554593330), (5, 443674664), (8, 277296665), (10, 221837332), (20, 110918666), (40, 55459333), (191, 11614520), (293, 7571240), (382, 5807260), (586, 3785620), (764, 2903630), (955, 2322904), (991, 2238520), (1172, 1892810), (1465, 1514248), (1528, 1451815), (1910, 1161452), (1982, 1119260), (2344, 946405), (2930, 757124), (3820, 580726), (3964, 559630), (4955, 447704), (5860, 378562), (7640, 290363), (7928, 279815), (9910, 223852), (11720, 189281), (19820, 111926), (39640, 55963)]