257652010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{3313}}^1$

素因数の和:3439

約数の個数: 64

約数和(自身を含む): 584112384

約数和(自身を除く): 326460374

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 101, 110, 154, 202, 385, 505, 707, 770, 1010, 1111, 1414, 2222, 3313, 3535, 5555, 6626, 7070, 7777, 11110, 15554, 16565, 23191, 33130, 36443, 38885, 46382, 72886, 77770, 115955, 182215, 231910, 255101, 334613, 364430, 510202, 669226, 1275505, 1673065, 2342291, 2551010, 3346130, 3680743, 4684582, 7361486, 11711455, 18403715, 23422910, 25765201, 36807430, 51530402, 128826005, 257652010]

約数ペア:

[(1, 257652010), (2, 128826005), (5, 51530402), (7, 36807430), (10, 25765201), (11, 23422910), (14, 18403715), (22, 11711455), (35, 7361486), (55, 4684582), (70, 3680743), (77, 3346130), (101, 2551010), (110, 2342291), (154, 1673065), (202, 1275505), (385, 669226), (505, 510202), (707, 364430), (770, 334613), (1010, 255101), (1111, 231910), (1414, 182215), (2222, 115955), (3313, 77770), (3535, 72886), (5555, 46382), (6626, 38885), (7070, 36443), (7777, 33130), (11110, 23191), (15554, 16565)]