277156780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{47951}}^1$

素因数の和:47994

約数の個数: 36

約数和(自身を含む): 618293088

約数和(自身を除く): 341136308

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 47951, 95902, 191804, 239755, 479510, 815167, 959020, 1630334, 3260668, 4075835, 8151670, 13857839, 16303340, 27715678, 55431356, 69289195, 138578390, 277156780]

約数ペア:

[(1, 277156780), (2, 138578390), (4, 69289195), (5, 55431356), (10, 27715678), (17, 16303340), (20, 13857839), (34, 8151670), (68, 4075835), (85, 3260668), (170, 1630334), (289, 959020), (340, 815167), (578, 479510), (1156, 239755), (1445, 191804), (2890, 95902), (5780, 47951)]