3999760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{173}}^1$

素因数の和:220

約数の個数: 60

約数和(自身を含む): 9935748

約数和(自身を除く): 5935988

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 173, 272, 289, 340, 346, 578, 680, 692, 865, 1156, 1360, 1384, 1445, 1730, 2312, 2768, 2890, 2941, 3460, 4624, 5780, 5882, 6920, 11560, 11764, 13840, 14705, 23120, 23528, 29410, 47056, 49997, 58820, 99994, 117640, 199988, 235280, 249985, 399976, 499970, 799952, 999940, 1999880, 3999760]

約数ペア:

[(1, 3999760), (2, 1999880), (4, 999940), (5, 799952), (8, 499970), (10, 399976), (16, 249985), (17, 235280), (20, 199988), (34, 117640), (40, 99994), (68, 58820), (80, 49997), (85, 47056), (136, 29410), (170, 23528), (173, 23120), (272, 14705), (289, 13840), (340, 11764), (346, 11560), (578, 6920), (680, 5882), (692, 5780), (865, 4624), (1156, 3460), (1360, 2941), (1384, 2890), (1445, 2768), (1730, 2312)]