268889576240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2900017}}^1$

素因数の和:2900110

約数の個数: 80

約数和(自身を含む): 668860151520

約数和(自身を除く): 399970575280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 61, 76, 80, 95, 122, 152, 190, 244, 304, 305, 380, 488, 610, 760, 976, 1159, 1220, 1520, 2318, 2440, 4636, 4880, 5795, 9272, 11590, 18544, 23180, 46360, 92720, 2900017, 5800034, 11600068, 14500085, 23200136, 29000170, 46400272, 55100323, 58000340, 110200646, 116000680, 176901037, 220401292, 232001360, 275501615, 353802074, 440802584, 551003230, 707604148, 881605168, 884505185, 1102006460, 1415208296, 1769010370, 2204012920, 2830416592, 3361119703, 3538020740, 4408025840, 6722239406, 7076041480, 13444478812, 14152082960, 16805598515, 26888957624, 33611197030, 53777915248, 67222394060, 134444788120, 268889576240]

約数ペア:

[(1, 268889576240), (2, 134444788120), (4, 67222394060), (5, 53777915248), (8, 33611197030), (10, 26888957624), (16, 16805598515), (19, 14152082960), (20, 13444478812), (38, 7076041480), (40, 6722239406), (61, 4408025840), (76, 3538020740), (80, 3361119703), (95, 2830416592), (122, 2204012920), (152, 1769010370), (190, 1415208296), (244, 1102006460), (304, 884505185), (305, 881605168), (380, 707604148), (488, 551003230), (610, 440802584), (760, 353802074), (976, 275501615), (1159, 232001360), (1220, 220401292), (1520, 176901037), (2318, 116000680), (2440, 110200646), (4636, 58000340), (4880, 55100323), (5795, 46400272), (9272, 29000170), (11590, 23200136), (18544, 14500085), (23180, 11600068), (46360, 5800034), (92720, 2900017)]