381350840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{577}}^1$

素因数の和:673

約数の個数: 128

約数和(自身を含む): 978808320

約数和(自身を除く): 597457480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 41, 52, 62, 65, 82, 104, 124, 130, 155, 164, 205, 248, 260, 310, 328, 403, 410, 520, 533, 577, 620, 806, 820, 1066, 1154, 1240, 1271, 1612, 1640, 2015, 2132, 2308, 2542, 2665, 2885, 3224, 4030, 4264, 4616, 5084, 5330, 5770, 6355, 7501, 8060, 10168, 10660, 11540, 12710, 15002, 16120, 16523, 17887, 21320, 23080, 23657, 25420, 30004, 33046, 35774, 37505, 47314, 50840, 60008, 66092, 71548, 75010, 82615, 89435, 94628, 118285, 132184, 143096, 150020, 165230, 178870, 189256, 232531, 236570, 300040, 307541, 330460, 357740, 465062, 473140, 615082, 660920, 715480, 733367, 930124, 946280, 1162655, 1230164, 1466734, 1537705, 1860248, 2325310, 2460328, 2933468, 3075410, 3666835, 4650620, 5866936, 6150820, 7333670, 9301240, 9533771, 12301640, 14667340, 19067542, 29334680, 38135084, 47668855, 76270168, 95337710, 190675420, 381350840]

約数ペア:

[(1, 381350840), (2, 190675420), (4, 95337710), (5, 76270168), (8, 47668855), (10, 38135084), (13, 29334680), (20, 19067542), (26, 14667340), (31, 12301640), (40, 9533771), (41, 9301240), (52, 7333670), (62, 6150820), (65, 5866936), (82, 4650620), (104, 3666835), (124, 3075410), (130, 2933468), (155, 2460328), (164, 2325310), (205, 1860248), (248, 1537705), (260, 1466734), (310, 1230164), (328, 1162655), (403, 946280), (410, 930124), (520, 733367), (533, 715480), (577, 660920), (620, 615082), (806, 473140), (820, 465062), (1066, 357740), (1154, 330460), (1240, 307541), (1271, 300040), (1612, 236570), (1640, 232531), (2015, 189256), (2132, 178870), (2308, 165230), (2542, 150020), (2665, 143096), (2885, 132184), (3224, 118285), (4030, 94628), (4264, 89435), (4616, 82615), (5084, 75010), (5330, 71548), (5770, 66092), (6355, 60008), (7501, 50840), (8060, 47314), (10168, 37505), (10660, 35774), (11540, 33046), (12710, 30004), (15002, 25420), (16120, 23657), (16523, 23080), (17887, 21320)]