1889593840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1\times {\mathrm{887}}^1$

素因数の和:1790

約数の個数: 80

約数和(自身を含む): 4545423360

約数和(自身を除く): 2655829520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 859, 887, 1240, 1718, 1774, 2480, 3436, 3548, 4295, 4435, 6872, 7096, 8590, 8870, 13744, 14192, 17180, 17740, 26629, 27497, 34360, 35480, 53258, 54994, 68720, 70960, 106516, 109988, 133145, 137485, 213032, 219976, 266290, 274970, 426064, 439952, 532580, 549940, 761933, 1065160, 1099880, 1523866, 2130320, 2199760, 3047732, 3809665, 6095464, 7619330, 12190928, 15238660, 23619923, 30477320, 47239846, 60954640, 94479692, 118099615, 188959384, 236199230, 377918768, 472398460, 944796920, 1889593840]

約数ペア:

[(1, 1889593840), (2, 944796920), (4, 472398460), (5, 377918768), (8, 236199230), (10, 188959384), (16, 118099615), (20, 94479692), (31, 60954640), (40, 47239846), (62, 30477320), (80, 23619923), (124, 15238660), (155, 12190928), (248, 7619330), (310, 6095464), (496, 3809665), (620, 3047732), (859, 2199760), (887, 2130320), (1240, 1523866), (1718, 1099880), (1774, 1065160), (2480, 761933), (3436, 549940), (3548, 532580), (4295, 439952), (4435, 426064), (6872, 274970), (7096, 266290), (8590, 219976), (8870, 213032), (13744, 137485), (14192, 133145), (17180, 109988), (17740, 106516), (26629, 70960), (27497, 68720), (34360, 54994), (35480, 53258)]