311966020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:361

約数の個数: 96

約数和(自身を含む): 715309056

約数和(自身を除く): 403343036

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 131, 155, 167, 230, 262, 310, 334, 460, 524, 620, 655, 668, 713, 835, 1310, 1426, 1670, 2620, 2852, 3013, 3340, 3565, 3841, 4061, 5177, 6026, 7130, 7682, 8122, 10354, 12052, 14260, 15065, 15364, 16244, 19205, 20305, 20708, 21877, 25885, 30130, 38410, 40610, 43754, 51770, 60260, 76820, 81220, 87508, 93403, 103540, 109385, 119071, 186806, 218770, 238142, 373612, 437540, 467015, 476284, 503171, 595355, 678187, 934030, 1006342, 1190710, 1356374, 1868060, 2012684, 2381420, 2515855, 2712748, 3390935, 5031710, 6781870, 10063420, 13563740, 15598301, 31196602, 62393204, 77991505, 155983010, 311966020]

約数ペア:

[(1, 311966020), (2, 155983010), (4, 77991505), (5, 62393204), (10, 31196602), (20, 15598301), (23, 13563740), (31, 10063420), (46, 6781870), (62, 5031710), (92, 3390935), (115, 2712748), (124, 2515855), (131, 2381420), (155, 2012684), (167, 1868060), (230, 1356374), (262, 1190710), (310, 1006342), (334, 934030), (460, 678187), (524, 595355), (620, 503171), (655, 476284), (668, 467015), (713, 437540), (835, 373612), (1310, 238142), (1426, 218770), (1670, 186806), (2620, 119071), (2852, 109385), (3013, 103540), (3340, 93403), (3565, 87508), (3841, 81220), (4061, 76820), (5177, 60260), (6026, 51770), (7130, 43754), (7682, 40610), (8122, 38410), (10354, 30130), (12052, 25885), (14260, 21877), (15065, 20708), (15364, 20305), (16244, 19205)]