177997460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{8233}}^1$

素因数の和:8312

約数の個数: 48

約数和(自身を含む): 398393856

約数和(自身を除く): 220396396

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 2162, 4324, 5405, 8233, 10810, 16466, 21620, 32932, 41165, 82330, 164660, 189359, 378718, 386951, 757436, 773902, 946795, 1547804, 1893590, 1934755, 3787180, 3869510, 7739020, 8899873, 17799746, 35599492, 44499365, 88998730, 177997460]

約数ペア:

[(1, 177997460), (2, 88998730), (4, 44499365), (5, 35599492), (10, 17799746), (20, 8899873), (23, 7739020), (46, 3869510), (47, 3787180), (92, 1934755), (94, 1893590), (115, 1547804), (188, 946795), (230, 773902), (235, 757436), (460, 386951), (470, 378718), (940, 189359), (1081, 164660), (2162, 82330), (4324, 41165), (5405, 32932), (8233, 21620), (10810, 16466)]