2007905960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{6719}}^1$

素因数の和:7002

約数の個数: 64

約数和(自身を含む): 4683571200

約数和(自身を除く): 2675665240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 241, 248, 310, 482, 620, 964, 1205, 1240, 1928, 2410, 4820, 6719, 7471, 9640, 13438, 14942, 26876, 29884, 33595, 37355, 53752, 59768, 67190, 74710, 134380, 149420, 208289, 268760, 298840, 416578, 833156, 1041445, 1619279, 1666312, 2082890, 3238558, 4165780, 6477116, 8096395, 8331560, 12954232, 16192790, 32385580, 50197649, 64771160, 100395298, 200790596, 250988245, 401581192, 501976490, 1003952980, 2007905960]

約数ペア:

[(1, 2007905960), (2, 1003952980), (4, 501976490), (5, 401581192), (8, 250988245), (10, 200790596), (20, 100395298), (31, 64771160), (40, 50197649), (62, 32385580), (124, 16192790), (155, 12954232), (241, 8331560), (248, 8096395), (310, 6477116), (482, 4165780), (620, 3238558), (964, 2082890), (1205, 1666312), (1240, 1619279), (1928, 1041445), (2410, 833156), (4820, 416578), (6719, 298840), (7471, 268760), (9640, 208289), (13438, 149420), (14942, 134380), (26876, 74710), (29884, 67190), (33595, 59768), (37355, 53752)]