278018940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{6947}}^1$

素因数の和:7011

約数の個数: 96

約数和(自身を含む): 840430080

約数和(自身を除く): 562411140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 29, 30, 46, 58, 60, 69, 87, 92, 115, 116, 138, 145, 174, 230, 276, 290, 345, 348, 435, 460, 580, 667, 690, 870, 1334, 1380, 1740, 2001, 2668, 3335, 4002, 6670, 6947, 8004, 10005, 13340, 13894, 20010, 20841, 27788, 34735, 40020, 41682, 69470, 83364, 104205, 138940, 159781, 201463, 208410, 319562, 402926, 416820, 479343, 604389, 639124, 798905, 805852, 958686, 1007315, 1208778, 1597810, 1917372, 2014630, 2396715, 2417556, 3021945, 3195620, 4029260, 4633649, 4793430, 6043890, 9267298, 9586860, 12087780, 13900947, 18534596, 23168245, 27801894, 46336490, 55603788, 69504735, 92672980, 139009470, 278018940]

約数ペア:

[(1, 278018940), (2, 139009470), (3, 92672980), (4, 69504735), (5, 55603788), (6, 46336490), (10, 27801894), (12, 23168245), (15, 18534596), (20, 13900947), (23, 12087780), (29, 9586860), (30, 9267298), (46, 6043890), (58, 4793430), (60, 4633649), (69, 4029260), (87, 3195620), (92, 3021945), (115, 2417556), (116, 2396715), (138, 2014630), (145, 1917372), (174, 1597810), (230, 1208778), (276, 1007315), (290, 958686), (345, 805852), (348, 798905), (435, 639124), (460, 604389), (580, 479343), (667, 416820), (690, 402926), (870, 319562), (1334, 208410), (1380, 201463), (1740, 159781), (2001, 138940), (2668, 104205), (3335, 83364), (4002, 69470), (6670, 41682), (6947, 40020), (8004, 34735), (10005, 27788), (13340, 20841), (13894, 20010)]