269690820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{642121}}^1$

素因数の和:642140

約数の個数: 48

約数和(自身を含む): 863011968

約数和(自身を除く): 593321148

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, 642121, 1284242, 1926363, 2568484, 3210605, 3852726, 4494847, 6421210, 7705452, 8989694, 9631815, 12842420, 13484541, 17979388, 19263630, 22474235, 26969082, 38527260, 44948470, 53938164, 67422705, 89896940, 134845410, 269690820]

約数ペア:

[(1, 269690820), (2, 134845410), (3, 89896940), (4, 67422705), (5, 53938164), (6, 44948470), (7, 38527260), (10, 26969082), (12, 22474235), (14, 19263630), (15, 17979388), (20, 13484541), (21, 12842420), (28, 9631815), (30, 8989694), (35, 7705452), (42, 6421210), (60, 4494847), (70, 3852726), (84, 3210605), (105, 2568484), (140, 1926363), (210, 1284242), (420, 642121)]