100809350

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 193246560

約数和(自身を除く): 92437210

約数列:

[1, 2, 5, 10, 25, 50, 71, 73, 142, 146, 355, 365, 389, 710, 730, 778, 1775, 1825, 1945, 3550, 3650, 3890, 5183, 9725, 10366, 19450, 25915, 27619, 28397, 51830, 55238, 56794, 129575, 138095, 141985, 259150, 276190, 283970, 690475, 709925, 1380950, 1419850, 2016187, 4032374, 10080935, 20161870, 50404675, 100809350]

約数ペア:

[(1, 100809350), (2, 50404675), (5, 20161870), (10, 10080935), (25, 4032374), (50, 2016187), (71, 1419850), (73, 1380950), (142, 709925), (146, 690475), (355, 283970), (365, 276190), (389, 259150), (710, 141985), (730, 138095), (778, 129575), (1775, 56794), (1825, 55238), (1945, 51830), (3550, 28397), (3650, 27619), (3890, 25915), (5183, 19450), (9725, 10366)]