203173840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{383}}^1$

素因数の和:764

約数の個数: 80

約数和(自身を含む): 499968000

約数和(自身を除く): 296794160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 349, 380, 383, 698, 760, 766, 1396, 1520, 1532, 1745, 1915, 2792, 3064, 3490, 3830, 5584, 6128, 6631, 6980, 7277, 7660, 13262, 13960, 14554, 15320, 26524, 27920, 29108, 30640, 33155, 36385, 53048, 58216, 66310, 72770, 106096, 116432, 132620, 133667, 145540, 265240, 267334, 291080, 530480, 534668, 582160, 668335, 1069336, 1336670, 2138672, 2539673, 2673340, 5079346, 5346680, 10158692, 10693360, 12698365, 20317384, 25396730, 40634768, 50793460, 101586920, 203173840]

約数ペア:

[(1, 203173840), (2, 101586920), (4, 50793460), (5, 40634768), (8, 25396730), (10, 20317384), (16, 12698365), (19, 10693360), (20, 10158692), (38, 5346680), (40, 5079346), (76, 2673340), (80, 2539673), (95, 2138672), (152, 1336670), (190, 1069336), (304, 668335), (349, 582160), (380, 534668), (383, 530480), (698, 291080), (760, 267334), (766, 265240), (1396, 145540), (1520, 133667), (1532, 132620), (1745, 116432), (1915, 106096), (2792, 72770), (3064, 66310), (3490, 58216), (3830, 53048), (5584, 36385), (6128, 33155), (6631, 30640), (6980, 29108), (7277, 27920), (7660, 26524), (13262, 15320), (13960, 14554)]