168200420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{3821}}^1$

素因数の和:3932

約数の個数: 48

約数和(自身を含む): 369847296

約数和(自身を除く): 201646876

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1420, 2201, 3821, 4402, 7642, 8804, 11005, 15284, 19105, 22010, 38210, 44020, 76420, 118451, 236902, 271291, 473804, 542582, 592255, 1085164, 1184510, 1356455, 2369020, 2712910, 5425820, 8410021, 16820042, 33640084, 42050105, 84100210, 168200420]

約数ペア:

[(1, 168200420), (2, 84100210), (4, 42050105), (5, 33640084), (10, 16820042), (20, 8410021), (31, 5425820), (62, 2712910), (71, 2369020), (124, 1356455), (142, 1184510), (155, 1085164), (284, 592255), (310, 542582), (355, 473804), (620, 271291), (710, 236902), (1420, 118451), (2201, 76420), (3821, 44020), (4402, 38210), (7642, 22010), (8804, 19105), (11005, 15284)]