31519460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1511}}^1$

素因数の和:1676

約数の個数: 48

約数和(自身を含む): 76204800

約数和(自身を除く): 44685340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 1511, 2086, 2980, 3022, 4172, 5215, 6044, 7555, 10430, 10577, 15110, 20860, 21154, 30220, 42308, 52885, 105770, 211540, 225139, 450278, 900556, 1125695, 1575973, 2251390, 3151946, 4502780, 6303892, 7879865, 15759730, 31519460]

約数ペア:

[(1, 31519460), (2, 15759730), (4, 7879865), (5, 6303892), (7, 4502780), (10, 3151946), (14, 2251390), (20, 1575973), (28, 1125695), (35, 900556), (70, 450278), (140, 225139), (149, 211540), (298, 105770), (596, 52885), (745, 42308), (1043, 30220), (1490, 21154), (1511, 20860), (2086, 15110), (2980, 10577), (3022, 10430), (4172, 7555), (5215, 6044)]