280531888

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{14821}}^1$

素因数の和:14862

約数の個数: 60

約数和(自身を含む): 672681648

約数和(自身を除く): 392149760

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 338, 364, 676, 728, 1183, 1352, 1456, 2366, 2704, 4732, 9464, 14821, 18928, 29642, 59284, 103747, 118568, 192673, 207494, 237136, 385346, 414988, 770692, 829976, 1348711, 1541384, 1659952, 2504749, 2697422, 3082768, 5009498, 5394844, 10018996, 10789688, 17533243, 20037992, 21579376, 35066486, 40075984, 70132972, 140265944, 280531888]

約数ペア:

[(1, 280531888), (2, 140265944), (4, 70132972), (7, 40075984), (8, 35066486), (13, 21579376), (14, 20037992), (16, 17533243), (26, 10789688), (28, 10018996), (52, 5394844), (56, 5009498), (91, 3082768), (104, 2697422), (112, 2504749), (169, 1659952), (182, 1541384), (208, 1348711), (338, 829976), (364, 770692), (676, 414988), (728, 385346), (1183, 237136), (1352, 207494), (1456, 192673), (2366, 118568), (2704, 103747), (4732, 59284), (9464, 29642), (14821, 18928)]