78420328

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 175104000

約数和(自身を除く): 96683672

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 199, 217, 227, 248, 398, 434, 454, 796, 868, 908, 1393, 1589, 1592, 1736, 1816, 2786, 3178, 5572, 6169, 6356, 7037, 11144, 12338, 12712, 14074, 24676, 28148, 43183, 45173, 49259, 49352, 56296, 86366, 90346, 98518, 172732, 180692, 197036, 316211, 345464, 361384, 394072, 632422, 1264844, 1400363, 2529688, 2800726, 5601452, 9802541, 11202904, 19605082, 39210164, 78420328]

約数ペア:

[(1, 78420328), (2, 39210164), (4, 19605082), (7, 11202904), (8, 9802541), (14, 5601452), (28, 2800726), (31, 2529688), (56, 1400363), (62, 1264844), (124, 632422), (199, 394072), (217, 361384), (227, 345464), (248, 316211), (398, 197036), (434, 180692), (454, 172732), (796, 98518), (868, 90346), (908, 86366), (1393, 56296), (1589, 49352), (1592, 49259), (1736, 45173), (1816, 43183), (2786, 28148), (3178, 24676), (5572, 14074), (6169, 12712), (6356, 12338), (7037, 11144)]