712052020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:361

約数の個数: 96

約数和(自身を含む): 1589124096

約数和(自身を除く): 877072076

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 101, 124, 137, 155, 166, 202, 274, 310, 332, 404, 415, 505, 548, 620, 685, 830, 1010, 1370, 1660, 2020, 2573, 2740, 3131, 4247, 5146, 6262, 8383, 8494, 10292, 11371, 12524, 12865, 13837, 15655, 16766, 16988, 21235, 22742, 25730, 27674, 31310, 33532, 41915, 42470, 45484, 51460, 55348, 56855, 62620, 69185, 83830, 84940, 113710, 138370, 167660, 227420, 259873, 276740, 352501, 428947, 519746, 705002, 857894, 1039492, 1148471, 1299365, 1410004, 1715788, 1762505, 2144735, 2296942, 2598730, 3525010, 4289470, 4593884, 5197460, 5742355, 7050020, 8578940, 11484710, 22969420, 35602601, 71205202, 142410404, 178013005, 356026010, 712052020]

約数ペア:

[(1, 712052020), (2, 356026010), (4, 178013005), (5, 142410404), (10, 71205202), (20, 35602601), (31, 22969420), (62, 11484710), (83, 8578940), (101, 7050020), (124, 5742355), (137, 5197460), (155, 4593884), (166, 4289470), (202, 3525010), (274, 2598730), (310, 2296942), (332, 2144735), (404, 1762505), (415, 1715788), (505, 1410004), (548, 1299365), (620, 1148471), (685, 1039492), (830, 857894), (1010, 705002), (1370, 519746), (1660, 428947), (2020, 352501), (2573, 276740), (2740, 259873), (3131, 227420), (4247, 167660), (5146, 138370), (6262, 113710), (8383, 84940), (8494, 83830), (10292, 69185), (11371, 62620), (12524, 56855), (12865, 55348), (13837, 51460), (15655, 45484), (16766, 42470), (16988, 41915), (21235, 33532), (22742, 31310), (25730, 27674)]