2690693980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{1999}}^1$

素因数の和:2219

約数の個数: 96

約数和(自身を含む): 6322176000

約数和(自身を除く): 3631482020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 167, 260, 310, 334, 403, 620, 668, 806, 835, 1612, 1670, 1999, 2015, 2171, 3340, 3998, 4030, 4342, 5177, 7996, 8060, 8684, 9995, 10354, 10855, 19990, 20708, 21710, 25885, 25987, 39980, 43420, 51770, 51974, 61969, 67301, 103540, 103948, 123938, 129935, 134602, 247876, 259870, 269204, 309845, 333833, 336505, 519740, 619690, 667666, 673010, 805597, 1239380, 1335332, 1346020, 1611194, 1669165, 3222388, 3338330, 4027985, 4339829, 6676660, 8055970, 8679658, 10348823, 16111940, 17359316, 20697646, 21699145, 41395292, 43398290, 51744115, 86796580, 103488230, 134534699, 206976460, 269069398, 538138796, 672673495, 1345346990, 2690693980]

約数ペア:

[(1, 2690693980), (2, 1345346990), (4, 672673495), (5, 538138796), (10, 269069398), (13, 206976460), (20, 134534699), (26, 103488230), (31, 86796580), (52, 51744115), (62, 43398290), (65, 41395292), (124, 21699145), (130, 20697646), (155, 17359316), (167, 16111940), (260, 10348823), (310, 8679658), (334, 8055970), (403, 6676660), (620, 4339829), (668, 4027985), (806, 3338330), (835, 3222388), (1612, 1669165), (1670, 1611194), (1999, 1346020), (2015, 1335332), (2171, 1239380), (3340, 805597), (3998, 673010), (4030, 667666), (4342, 619690), (5177, 519740), (7996, 336505), (8060, 333833), (8684, 309845), (9995, 269204), (10354, 259870), (10855, 247876), (19990, 134602), (20708, 129935), (21710, 123938), (25885, 103948), (25987, 103540), (39980, 67301), (43420, 61969), (51770, 51974)]