215173640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{9227}}^1$

素因数の和:9302

約数の個数: 64

約数和(自身を含む): 538176960

約数和(自身を除く): 323003320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 110, 212, 220, 265, 424, 440, 530, 583, 1060, 1166, 2120, 2332, 2915, 4664, 5830, 9227, 11660, 18454, 23320, 36908, 46135, 73816, 92270, 101497, 184540, 202994, 369080, 405988, 489031, 507485, 811976, 978062, 1014970, 1956124, 2029940, 2445155, 3912248, 4059880, 4890310, 5379341, 9780620, 10758682, 19561240, 21517364, 26896705, 43034728, 53793410, 107586820, 215173640]

約数ペア:

[(1, 215173640), (2, 107586820), (4, 53793410), (5, 43034728), (8, 26896705), (10, 21517364), (11, 19561240), (20, 10758682), (22, 9780620), (40, 5379341), (44, 4890310), (53, 4059880), (55, 3912248), (88, 2445155), (106, 2029940), (110, 1956124), (212, 1014970), (220, 978062), (265, 811976), (424, 507485), (440, 489031), (530, 405988), (583, 369080), (1060, 202994), (1166, 184540), (2120, 101497), (2332, 92270), (2915, 73816), (4664, 46135), (5830, 36908), (9227, 23320), (11660, 18454)]