208028560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{677}}^1$

素因数の和:880

約数の個数: 80

約数和(自身を含む): 508467456

約数和(自身を除く): 300438896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 167, 184, 230, 334, 368, 460, 668, 677, 835, 920, 1336, 1354, 1670, 1840, 2672, 2708, 3340, 3385, 3841, 5416, 6680, 6770, 7682, 10832, 13360, 13540, 15364, 15571, 19205, 27080, 30728, 31142, 38410, 54160, 61456, 62284, 76820, 77855, 113059, 124568, 153640, 155710, 226118, 249136, 307280, 311420, 452236, 565295, 622840, 904472, 1130590, 1245680, 1808944, 2261180, 2600357, 4522360, 5200714, 9044720, 10401428, 13001785, 20802856, 26003570, 41605712, 52007140, 104014280, 208028560]

約数ペア:

[(1, 208028560), (2, 104014280), (4, 52007140), (5, 41605712), (8, 26003570), (10, 20802856), (16, 13001785), (20, 10401428), (23, 9044720), (40, 5200714), (46, 4522360), (80, 2600357), (92, 2261180), (115, 1808944), (167, 1245680), (184, 1130590), (230, 904472), (334, 622840), (368, 565295), (460, 452236), (668, 311420), (677, 307280), (835, 249136), (920, 226118), (1336, 155710), (1354, 153640), (1670, 124568), (1840, 113059), (2672, 77855), (2708, 76820), (3340, 62284), (3385, 61456), (3841, 54160), (5416, 38410), (6680, 31142), (6770, 30728), (7682, 27080), (10832, 19205), (13360, 15571), (13540, 15364)]