39809820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:295

約数の個数: 96

約数和(自身を含む): 115617600

約数和(自身を除く): 75807780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 73, 122, 146, 149, 183, 219, 244, 292, 298, 305, 365, 366, 438, 447, 596, 610, 730, 732, 745, 876, 894, 915, 1095, 1220, 1460, 1490, 1788, 1830, 2190, 2235, 2980, 3660, 4380, 4453, 4470, 8906, 8940, 9089, 10877, 13359, 17812, 18178, 21754, 22265, 26718, 27267, 32631, 36356, 43508, 44530, 45445, 53436, 54385, 54534, 65262, 66795, 89060, 90890, 108770, 109068, 130524, 133590, 136335, 163155, 181780, 217540, 267180, 272670, 326310, 545340, 652620, 663497, 1326994, 1990491, 2653988, 3317485, 3980982, 6634970, 7961964, 9952455, 13269940, 19904910, 39809820]

約数ペア:

[(1, 39809820), (2, 19904910), (3, 13269940), (4, 9952455), (5, 7961964), (6, 6634970), (10, 3980982), (12, 3317485), (15, 2653988), (20, 1990491), (30, 1326994), (60, 663497), (61, 652620), (73, 545340), (122, 326310), (146, 272670), (149, 267180), (183, 217540), (219, 181780), (244, 163155), (292, 136335), (298, 133590), (305, 130524), (365, 109068), (366, 108770), (438, 90890), (447, 89060), (596, 66795), (610, 65262), (730, 54534), (732, 54385), (745, 53436), (876, 45445), (894, 44530), (915, 43508), (1095, 36356), (1220, 32631), (1460, 27267), (1490, 26718), (1788, 22265), (1830, 21754), (2190, 18178), (2235, 17812), (2980, 13359), (3660, 10877), (4380, 9089), (4453, 8940), (4470, 8906)]