253117480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:312

約数の個数: 192

約数和(自身を含む): 741565440

約数和(自身を除く): 488447960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 110, 121, 124, 140, 154, 155, 217, 220, 241, 242, 248, 280, 308, 310, 341, 385, 434, 440, 482, 484, 605, 616, 620, 682, 770, 847, 868, 964, 968, 1085, 1205, 1210, 1240, 1364, 1540, 1687, 1694, 1705, 1736, 1928, 2170, 2387, 2410, 2420, 2651, 2728, 3080, 3374, 3388, 3410, 3751, 4235, 4340, 4774, 4820, 4840, 5302, 6748, 6776, 6820, 7471, 7502, 8435, 8470, 8680, 9548, 9640, 10604, 11935, 13255, 13496, 13640, 14942, 15004, 16870, 16940, 18557, 18755, 19096, 21208, 23870, 26257, 26510, 29161, 29884, 30008, 33740, 33880, 37114, 37355, 37510, 47740, 52297, 52514, 53020, 58322, 59768, 67480, 74228, 74710, 75020, 82181, 92785, 95480, 104594, 105028, 106040, 116644, 131285, 145805, 148456, 149420, 150040, 164362, 185570, 204127, 209188, 210056, 233288, 261485, 262570, 291610, 298840, 328724, 371140, 408254, 410905, 418376, 522970, 525140, 575267, 583220, 657448, 742280, 816508, 821810, 903991, 1020635, 1045940, 1050280, 1150534, 1166440, 1633016, 1643620, 1807982, 2041270, 2091880, 2301068, 2876335, 3287240, 3615964, 4082540, 4519955, 4602136, 5752670, 6327937, 7231928, 8165080, 9039910, 11505340, 12655874, 18079820, 23010680, 25311748, 31639685, 36159640, 50623496, 63279370, 126558740, 253117480]

約数ペア:

[(1, 253117480), (2, 126558740), (4, 63279370), (5, 50623496), (7, 36159640), (8, 31639685), (10, 25311748), (11, 23010680), (14, 18079820), (20, 12655874), (22, 11505340), (28, 9039910), (31, 8165080), (35, 7231928), (40, 6327937), (44, 5752670), (55, 4602136), (56, 4519955), (62, 4082540), (70, 3615964), (77, 3287240), (88, 2876335), (110, 2301068), (121, 2091880), (124, 2041270), (140, 1807982), (154, 1643620), (155, 1633016), (217, 1166440), (220, 1150534), (241, 1050280), (242, 1045940), (248, 1020635), (280, 903991), (308, 821810), (310, 816508), (341, 742280), (385, 657448), (434, 583220), (440, 575267), (482, 525140), (484, 522970), (605, 418376), (616, 410905), (620, 408254), (682, 371140), (770, 328724), (847, 298840), (868, 291610), (964, 262570), (968, 261485), (1085, 233288), (1205, 210056), (1210, 209188), (1240, 204127), (1364, 185570), (1540, 164362), (1687, 150040), (1694, 149420), (1705, 148456), (1736, 145805), (1928, 131285), (2170, 116644), (2387, 106040), (2410, 105028), (2420, 104594), (2651, 95480), (2728, 92785), (3080, 82181), (3374, 75020), (3388, 74710), (3410, 74228), (3751, 67480), (4235, 59768), (4340, 58322), (4774, 53020), (4820, 52514), (4840, 52297), (5302, 47740), (6748, 37510), (6776, 37355), (6820, 37114), (7471, 33880), (7502, 33740), (8435, 30008), (8470, 29884), (8680, 29161), (9548, 26510), (9640, 26257), (10604, 23870), (11935, 21208), (13255, 19096), (13496, 18755), (13640, 18557), (14942, 16940), (15004, 16870)]