283789940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{69899}}^1$

素因数の和:69944

約数の個数: 48

約数和(自身を含む): 704592000

約数和(自身を除く): 420802060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 69899, 139798, 279596, 349495, 489293, 698990, 978586, 1397980, 1957172, 2027071, 2446465, 4054142, 4892930, 8108284, 9785860, 10135355, 14189497, 20270710, 28378994, 40541420, 56757988, 70947485, 141894970, 283789940]

約数ペア:

[(1, 283789940), (2, 141894970), (4, 70947485), (5, 56757988), (7, 40541420), (10, 28378994), (14, 20270710), (20, 14189497), (28, 10135355), (29, 9785860), (35, 8108284), (58, 4892930), (70, 4054142), (116, 2446465), (140, 2027071), (145, 1957172), (203, 1397980), (290, 978586), (406, 698990), (580, 489293), (812, 349495), (1015, 279596), (2030, 139798), (4060, 69899)]