454240

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:199

約数の個数: 48

約数和(自身を含む): 1143072

約数和(自身を除く): 688832

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 167, 170, 272, 334, 340, 544, 668, 680, 835, 1336, 1360, 1670, 2672, 2720, 2839, 3340, 5344, 5678, 6680, 11356, 13360, 14195, 22712, 26720, 28390, 45424, 56780, 90848, 113560, 227120, 454240]

約数ペア:

[(1, 454240), (2, 227120), (4, 113560), (5, 90848), (8, 56780), (10, 45424), (16, 28390), (17, 26720), (20, 22712), (32, 14195), (34, 13360), (40, 11356), (68, 6680), (80, 5678), (85, 5344), (136, 3340), (160, 2839), (167, 2720), (170, 2672), (272, 1670), (334, 1360), (340, 1336), (544, 835), (668, 680)]