69219220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3557}}^1$

素因数の和:3712

約数の個数: 48

約数和(自身を含む): 167368320

約数和(自身を除く): 98149100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3557, 3892, 4865, 7114, 9730, 14228, 17785, 19460, 24899, 35570, 49798, 71140, 99596, 124495, 248990, 494423, 497980, 988846, 1977692, 2472115, 3460961, 4944230, 6921922, 9888460, 13843844, 17304805, 34609610, 69219220]

約数ペア:

[(1, 69219220), (2, 34609610), (4, 17304805), (5, 13843844), (7, 9888460), (10, 6921922), (14, 4944230), (20, 3460961), (28, 2472115), (35, 1977692), (70, 988846), (139, 497980), (140, 494423), (278, 248990), (556, 124495), (695, 99596), (973, 71140), (1390, 49798), (1946, 35570), (2780, 24899), (3557, 19460), (3892, 17785), (4865, 14228), (7114, 9730)]