399736020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{50857}}^1$

素因数の和:51000

約数の個数: 48

約数和(自身を含む): 1127827008

約数和(自身を除く): 728090988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 7860, 50857, 101714, 152571, 203428, 254285, 305142, 508570, 610284, 762855, 1017140, 1525710, 3051420, 6662267, 13324534, 19986801, 26649068, 33311335, 39973602, 66622670, 79947204, 99934005, 133245340, 199868010, 399736020]

約数ペア:

[(1, 399736020), (2, 199868010), (3, 133245340), (4, 99934005), (5, 79947204), (6, 66622670), (10, 39973602), (12, 33311335), (15, 26649068), (20, 19986801), (30, 13324534), (60, 6662267), (131, 3051420), (262, 1525710), (393, 1017140), (524, 762855), (655, 610284), (786, 508570), (1310, 305142), (1572, 254285), (1965, 203428), (2620, 152571), (3930, 101714), (7860, 50857)]