127988210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:579

約数の個数: 64

約数和(自身を含む): 272726784

約数和(自身を除く): 144738574

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 101, 202, 215, 301, 421, 430, 505, 602, 707, 842, 1010, 1414, 1505, 2105, 2947, 3010, 3535, 4210, 4343, 5894, 7070, 8686, 14735, 18103, 21715, 29470, 30401, 36206, 42521, 43430, 60802, 85042, 90515, 126721, 152005, 181030, 212605, 253442, 297647, 304010, 425210, 595294, 633605, 1267210, 1488235, 1828403, 2976470, 3656806, 9142015, 12798821, 18284030, 25597642, 63994105, 127988210]

約数ペア:

[(1, 127988210), (2, 63994105), (5, 25597642), (7, 18284030), (10, 12798821), (14, 9142015), (35, 3656806), (43, 2976470), (70, 1828403), (86, 1488235), (101, 1267210), (202, 633605), (215, 595294), (301, 425210), (421, 304010), (430, 297647), (505, 253442), (602, 212605), (707, 181030), (842, 152005), (1010, 126721), (1414, 90515), (1505, 85042), (2105, 60802), (2947, 43430), (3010, 42521), (3535, 36206), (4210, 30401), (4343, 29470), (5894, 21715), (7070, 18103), (8686, 14735)]