280270257116

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1\times {\mathrm{211297}}^1$

素因数の和:211914

約数の個数: 48

約数和(自身を含む): 533890882560

約数和(自身を除く): 253620625444

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 563, 589, 1126, 1178, 2252, 2356, 10697, 17453, 21394, 34906, 42788, 69812, 211297, 331607, 422594, 663214, 845188, 1326428, 4014643, 6550207, 8029286, 13100414, 16058572, 26200828, 118960211, 124453933, 237920422, 248907866, 475840844, 497815732, 2260244009, 3687766541, 4520488018, 7375533082, 9040976036, 14751066164, 70067564279, 140135128558, 280270257116]

約数ペア:

[(1, 280270257116), (2, 140135128558), (4, 70067564279), (19, 14751066164), (31, 9040976036), (38, 7375533082), (62, 4520488018), (76, 3687766541), (124, 2260244009), (563, 497815732), (589, 475840844), (1126, 248907866), (1178, 237920422), (2252, 124453933), (2356, 118960211), (10697, 26200828), (17453, 16058572), (21394, 13100414), (34906, 8029286), (42788, 6550207), (69812, 4014643), (211297, 1326428), (331607, 845188), (422594, 663214)]