2099007888980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3121}}^1\times {\mathrm{1769851}}^1$

素因数の和:1773000

約数の個数: 48

約数和(自身を含む): 4641401472960

約数和(自身を除く): 2542393583980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 3121, 6242, 12484, 15605, 31210, 59299, 62420, 118598, 237196, 296495, 592990, 1185980, 1769851, 3539702, 7079404, 8849255, 17698510, 33627169, 35397020, 67254338, 134508676, 168135845, 336271690, 672543380, 5523704971, 11047409942, 22094819884, 27618524855, 55237049710, 104950394449, 110474099420, 209900788898, 419801577796, 524751972245, 1049503944490, 2099007888980]

約数ペア:

[(1, 2099007888980), (2, 1049503944490), (4, 524751972245), (5, 419801577796), (10, 209900788898), (19, 110474099420), (20, 104950394449), (38, 55237049710), (76, 27618524855), (95, 22094819884), (190, 11047409942), (380, 5523704971), (3121, 672543380), (6242, 336271690), (12484, 168135845), (15605, 134508676), (31210, 67254338), (59299, 35397020), (62420, 33627169), (118598, 17698510), (237196, 8849255), (296495, 7079404), (592990, 3539702), (1185980, 1769851)]