279079840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{10321}}^1$

素因数の和:10362

約数の個数: 72

約数和(自身を含む): 714014028

約数和(自身を除く): 434934188

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1352, 1690, 2080, 2704, 3380, 5408, 6760, 10321, 13520, 20642, 27040, 41284, 51605, 82568, 103210, 134173, 165136, 206420, 268346, 330272, 412840, 536692, 670865, 825680, 1073384, 1341730, 1651360, 1744249, 2146768, 2683460, 3488498, 4293536, 5366920, 6976996, 8721245, 10733840, 13953992, 17442490, 21467680, 27907984, 34884980, 55815968, 69769960, 139539920, 279079840]

約数ペア:

[(1, 279079840), (2, 139539920), (4, 69769960), (5, 55815968), (8, 34884980), (10, 27907984), (13, 21467680), (16, 17442490), (20, 13953992), (26, 10733840), (32, 8721245), (40, 6976996), (52, 5366920), (65, 4293536), (80, 3488498), (104, 2683460), (130, 2146768), (160, 1744249), (169, 1651360), (208, 1341730), (260, 1073384), (338, 825680), (416, 670865), (520, 536692), (676, 412840), (845, 330272), (1040, 268346), (1352, 206420), (1690, 165136), (2080, 134173), (2704, 103210), (3380, 82568), (5408, 51605), (6760, 41284), (10321, 27040), (13520, 20642)]