128077460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{5827}}^1$

素因数の和:6000

約数の個数: 48

約数和(自身を含む): 309396864

約数和(自身を除く): 181319404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 4396, 5495, 5827, 10990, 11654, 21980, 23308, 29135, 40789, 58270, 81578, 116540, 163156, 203945, 407890, 815780, 914839, 1829678, 3659356, 4574195, 6403873, 9148390, 12807746, 18296780, 25615492, 32019365, 64038730, 128077460]

約数ペア:

[(1, 128077460), (2, 64038730), (4, 32019365), (5, 25615492), (7, 18296780), (10, 12807746), (14, 9148390), (20, 6403873), (28, 4574195), (35, 3659356), (70, 1829678), (140, 914839), (157, 815780), (314, 407890), (628, 203945), (785, 163156), (1099, 116540), (1570, 81578), (2198, 58270), (3140, 40789), (4396, 29135), (5495, 23308), (5827, 21980), (10990, 11654)]