7640140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1026

約数の個数: 48

約数和(自身を含む): 17744832

約数和(自身を除く): 10104692

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 977, 1564, 1954, 1955, 3908, 3910, 4885, 7820, 9770, 16609, 19540, 22471, 33218, 44942, 66436, 83045, 89884, 112355, 166090, 224710, 332180, 382007, 449420, 764014, 1528028, 1910035, 3820070, 7640140]

約数ペア:

[(1, 7640140), (2, 3820070), (4, 1910035), (5, 1528028), (10, 764014), (17, 449420), (20, 382007), (23, 332180), (34, 224710), (46, 166090), (68, 112355), (85, 89884), (92, 83045), (115, 66436), (170, 44942), (230, 33218), (340, 22471), (391, 19540), (460, 16609), (782, 9770), (977, 7820), (1564, 4885), (1954, 3910), (1955, 3908)]