400770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:147

約数の個数: 48

約数和(自身を含む): 1073592

約数和(自身を除く): 672822

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 73, 90, 122, 146, 183, 219, 305, 365, 366, 438, 549, 610, 657, 730, 915, 1095, 1098, 1314, 1830, 2190, 2745, 3285, 4453, 5490, 6570, 8906, 13359, 22265, 26718, 40077, 44530, 66795, 80154, 133590, 200385, 400770]

約数ペア:

[(1, 400770), (2, 200385), (3, 133590), (5, 80154), (6, 66795), (9, 44530), (10, 40077), (15, 26718), (18, 22265), (30, 13359), (45, 8906), (61, 6570), (73, 5490), (90, 4453), (122, 3285), (146, 2745), (183, 2190), (219, 1830), (305, 1314), (365, 1098), (366, 1095), (438, 915), (549, 730), (610, 657)]