397460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 1016064

約数和(自身を除く): 618604

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 167, 170, 238, 334, 340, 476, 595, 668, 835, 1169, 1190, 1670, 2338, 2380, 2839, 3340, 4676, 5678, 5845, 11356, 11690, 14195, 19873, 23380, 28390, 39746, 56780, 79492, 99365, 198730, 397460]

約数ペア:

[(1, 397460), (2, 198730), (4, 99365), (5, 79492), (7, 56780), (10, 39746), (14, 28390), (17, 23380), (20, 19873), (28, 14195), (34, 11690), (35, 11356), (68, 5845), (70, 5678), (85, 4676), (119, 3340), (140, 2839), (167, 2380), (170, 2338), (238, 1670), (334, 1190), (340, 1169), (476, 835), (595, 668)]