212079880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1453}}^1$

素因数の和:1594

約数の個数: 64

約数和(自身を含む): 494650800

約数和(自身を除く): 282570920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 89, 164, 178, 205, 328, 356, 410, 445, 712, 820, 890, 1453, 1640, 1780, 2906, 3560, 3649, 5812, 7265, 7298, 11624, 14530, 14596, 18245, 29060, 29192, 36490, 58120, 59573, 72980, 119146, 129317, 145960, 238292, 258634, 297865, 476584, 517268, 595730, 646585, 1034536, 1191460, 1293170, 2382920, 2586340, 5172680, 5301997, 10603994, 21207988, 26509985, 42415976, 53019970, 106039940, 212079880]

約数ペア:

[(1, 212079880), (2, 106039940), (4, 53019970), (5, 42415976), (8, 26509985), (10, 21207988), (20, 10603994), (40, 5301997), (41, 5172680), (82, 2586340), (89, 2382920), (164, 1293170), (178, 1191460), (205, 1034536), (328, 646585), (356, 595730), (410, 517268), (445, 476584), (712, 297865), (820, 258634), (890, 238292), (1453, 145960), (1640, 129317), (1780, 119146), (2906, 72980), (3560, 59573), (3649, 58120), (5812, 36490), (7265, 29192), (7298, 29060), (11624, 18245), (14530, 14596)]