245280578360

素因数分解:

$2^3\times 5^1\times {\mathrm{769}}^1\times {\mathrm{1999}}^1\times {\mathrm{3989}}^1$

素因数の和:6768

約数の個数: 64

約数和(自身を含む): 553014000000

約数和(自身を除く): 307733421640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 769, 1538, 1999, 3076, 3845, 3989, 3998, 6152, 7690, 7978, 7996, 9995, 15380, 15956, 15992, 19945, 19990, 30760, 31912, 39890, 39980, 79780, 79960, 159560, 1537231, 3067541, 3074462, 6135082, 6148924, 7686155, 7974011, 12270164, 12297848, 15337705, 15372310, 15948022, 24540328, 30675410, 30744620, 31896044, 39870055, 61350820, 61489240, 63792088, 79740110, 122701640, 159480220, 318960440, 6132014459, 12264028918, 24528057836, 30660072295, 49056115672, 61320144590, 122640289180, 245280578360]

約数ペア:

[(1, 245280578360), (2, 122640289180), (4, 61320144590), (5, 49056115672), (8, 30660072295), (10, 24528057836), (20, 12264028918), (40, 6132014459), (769, 318960440), (1538, 159480220), (1999, 122701640), (3076, 79740110), (3845, 63792088), (3989, 61489240), (3998, 61350820), (6152, 39870055), (7690, 31896044), (7978, 30744620), (7996, 30675410), (9995, 24540328), (15380, 15948022), (15956, 15372310), (15992, 15337705), (19945, 12297848), (19990, 12270164), (30760, 7974011), (31912, 7686155), (39890, 6148924), (39980, 6135082), (79780, 3074462), (79960, 3067541), (159560, 1537231)]