38613350

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:305

約数の個数: 48

約数和(自身を含む): 74325600

約数和(自身を除く): 35712250

約数列:

[1, 2, 5, 10, 25, 50, 71, 73, 142, 146, 149, 298, 355, 365, 710, 730, 745, 1490, 1775, 1825, 3550, 3650, 3725, 5183, 7450, 10366, 10579, 10877, 21158, 21754, 25915, 51830, 52895, 54385, 105790, 108770, 129575, 259150, 264475, 271925, 528950, 543850, 772267, 1544534, 3861335, 7722670, 19306675, 38613350]

約数ペア:

[(1, 38613350), (2, 19306675), (5, 7722670), (10, 3861335), (25, 1544534), (50, 772267), (71, 543850), (73, 528950), (142, 271925), (146, 264475), (149, 259150), (298, 129575), (355, 108770), (365, 105790), (710, 54385), (730, 52895), (745, 51830), (1490, 25915), (1775, 21754), (1825, 21158), (3550, 10877), (3650, 10579), (3725, 10366), (5183, 7450)]