142430820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{339121}}^1$

素因数の和:339140

約数の個数: 48

約数和(自身を含む): 455779968

約数和(自身を除く): 313349148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 339121, 678242, 1017363, 1356484, 1695605, 2034726, 2373847, 3391210, 4069452, 4747694, 5086815, 6782420, 7121541, 9495388, 10173630, 11869235, 14243082, 20347260, 23738470, 28486164, 35607705, 47476940, 71215410, 142430820]

約数ペア:

[(1, 142430820), (2, 71215410), (3, 47476940), (4, 35607705), (5, 28486164), (6, 23738470), (7, 20347260), (10, 14243082), (12, 11869235), (14, 10173630), (15, 9495388), (20, 7121541), (21, 6782420), (28, 5086815), (30, 4747694), (35, 4069452), (42, 3391210), (60, 2373847), (70, 2034726), (84, 1695605), (105, 1356484), (140, 1017363), (210, 678242), (420, 339121)]