149612680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{76333}}^1$

素因数の和:76358

約数の個数: 48

約数和(自身を含む): 391593420

約数和(自身を除く): 241980740

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 76333, 152666, 305332, 381665, 534331, 610664, 763330, 1068662, 1526660, 2137324, 2671655, 3053320, 3740317, 4274648, 5343310, 7480634, 10686620, 14961268, 18701585, 21373240, 29922536, 37403170, 74806340, 149612680]

約数ペア:

[(1, 149612680), (2, 74806340), (4, 37403170), (5, 29922536), (7, 21373240), (8, 18701585), (10, 14961268), (14, 10686620), (20, 7480634), (28, 5343310), (35, 4274648), (40, 3740317), (49, 3053320), (56, 2671655), (70, 2137324), (98, 1526660), (140, 1068662), (196, 763330), (245, 610664), (280, 534331), (392, 381665), (490, 305332), (980, 152666), (1960, 76333)]