1258442920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{28627}}^1$

素因数の和:28802

約数の個数: 64

約数和(自身を含む): 3256721280

約数和(自身を除く): 1998278360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 280, 314, 628, 785, 1099, 1256, 1570, 2198, 3140, 4396, 5495, 6280, 8792, 10990, 21980, 28627, 43960, 57254, 114508, 143135, 200389, 229016, 286270, 400778, 572540, 801556, 1001945, 1145080, 1603112, 2003890, 4007780, 4494439, 8015560, 8988878, 17977756, 22472195, 31461073, 35955512, 44944390, 62922146, 89888780, 125844292, 157305365, 179777560, 251688584, 314610730, 629221460, 1258442920]

約数ペア:

[(1, 1258442920), (2, 629221460), (4, 314610730), (5, 251688584), (7, 179777560), (8, 157305365), (10, 125844292), (14, 89888780), (20, 62922146), (28, 44944390), (35, 35955512), (40, 31461073), (56, 22472195), (70, 17977756), (140, 8988878), (157, 8015560), (280, 4494439), (314, 4007780), (628, 2003890), (785, 1603112), (1099, 1145080), (1256, 1001945), (1570, 801556), (2198, 572540), (3140, 400778), (4396, 286270), (5495, 229016), (6280, 200389), (8792, 143135), (10990, 114508), (21980, 57254), (28627, 43960)]