7779880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{673}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 18622620

約数和(自身を除く): 10842740

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 673, 680, 1156, 1346, 1445, 2312, 2692, 2890, 3365, 5384, 5780, 6730, 11441, 11560, 13460, 22882, 26920, 45764, 57205, 91528, 114410, 194497, 228820, 388994, 457640, 777988, 972485, 1555976, 1944970, 3889940, 7779880]

約数ペア:

[(1, 7779880), (2, 3889940), (4, 1944970), (5, 1555976), (8, 972485), (10, 777988), (17, 457640), (20, 388994), (34, 228820), (40, 194497), (68, 114410), (85, 91528), (136, 57205), (170, 45764), (289, 26920), (340, 22882), (578, 13460), (673, 11560), (680, 11441), (1156, 6730), (1346, 5780), (1445, 5384), (2312, 3365), (2692, 2890)]