493636240

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{2111}}^1$

素因数の和:2240

約数の個数: 80

約数和(自身を含む): 1194209280

約数和(自身を除く): 700573040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 79, 80, 148, 158, 185, 296, 316, 370, 395, 592, 632, 740, 790, 1264, 1480, 1580, 2111, 2923, 2960, 3160, 4222, 5846, 6320, 8444, 10555, 11692, 14615, 16888, 21110, 23384, 29230, 33776, 42220, 46768, 58460, 78107, 84440, 116920, 156214, 166769, 168880, 233840, 312428, 333538, 390535, 624856, 667076, 781070, 833845, 1249712, 1334152, 1562140, 1667690, 2668304, 3124280, 3335380, 6170453, 6248560, 6670760, 12340906, 13341520, 24681812, 30852265, 49363624, 61704530, 98727248, 123409060, 246818120, 493636240]

約数ペア:

[(1, 493636240), (2, 246818120), (4, 123409060), (5, 98727248), (8, 61704530), (10, 49363624), (16, 30852265), (20, 24681812), (37, 13341520), (40, 12340906), (74, 6670760), (79, 6248560), (80, 6170453), (148, 3335380), (158, 3124280), (185, 2668304), (296, 1667690), (316, 1562140), (370, 1334152), (395, 1249712), (592, 833845), (632, 781070), (740, 667076), (790, 624856), (1264, 390535), (1480, 333538), (1580, 312428), (2111, 233840), (2923, 168880), (2960, 166769), (3160, 156214), (4222, 116920), (5846, 84440), (6320, 78107), (8444, 58460), (10555, 46768), (11692, 42220), (14615, 33776), (16888, 29230), (21110, 23384)]