2785960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{241}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 6686460

約数和(自身を除く): 3900500

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 241, 289, 340, 482, 578, 680, 964, 1156, 1205, 1445, 1928, 2312, 2410, 2890, 4097, 4820, 5780, 8194, 9640, 11560, 16388, 20485, 32776, 40970, 69649, 81940, 139298, 163880, 278596, 348245, 557192, 696490, 1392980, 2785960]

約数ペア:

[(1, 2785960), (2, 1392980), (4, 696490), (5, 557192), (8, 348245), (10, 278596), (17, 163880), (20, 139298), (34, 81940), (40, 69649), (68, 40970), (85, 32776), (136, 20485), (170, 16388), (241, 11560), (289, 9640), (340, 8194), (482, 5780), (578, 4820), (680, 4097), (964, 2890), (1156, 2410), (1205, 2312), (1445, 1928)]