897609850

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{2011}}^1$

素因数の和:2215

約数の個数: 48

約数和(自身を含む): 1706497920

約数和(自身を除く): 808888070

約数列:

[1, 2, 5, 10, 25, 50, 79, 113, 158, 226, 395, 565, 790, 1130, 1975, 2011, 2825, 3950, 4022, 5650, 8927, 10055, 17854, 20110, 44635, 50275, 89270, 100550, 158869, 223175, 227243, 317738, 446350, 454486, 794345, 1136215, 1588690, 2272430, 3971725, 5681075, 7943450, 11362150, 17952197, 35904394, 89760985, 179521970, 448804925, 897609850]

約数ペア:

[(1, 897609850), (2, 448804925), (5, 179521970), (10, 89760985), (25, 35904394), (50, 17952197), (79, 11362150), (113, 7943450), (158, 5681075), (226, 3971725), (395, 2272430), (565, 1588690), (790, 1136215), (1130, 794345), (1975, 454486), (2011, 446350), (2825, 317738), (3950, 227243), (4022, 223175), (5650, 158869), (8927, 100550), (10055, 89270), (17854, 50275), (20110, 44635)]