2670580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 6249600

約数和(自身を除く): 3579020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 199, 220, 244, 305, 398, 610, 671, 796, 995, 1220, 1342, 1990, 2189, 2684, 3355, 3980, 4378, 6710, 8756, 10945, 12139, 13420, 21890, 24278, 43780, 48556, 60695, 121390, 133529, 242780, 267058, 534116, 667645, 1335290, 2670580]

約数ペア:

[(1, 2670580), (2, 1335290), (4, 667645), (5, 534116), (10, 267058), (11, 242780), (20, 133529), (22, 121390), (44, 60695), (55, 48556), (61, 43780), (110, 24278), (122, 21890), (199, 13420), (220, 12139), (244, 10945), (305, 8756), (398, 6710), (610, 4378), (671, 3980), (796, 3355), (995, 2684), (1220, 2189), (1342, 1990)]