202186640

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:564

約数の個数: 80

約数和(自身を含む): 483116400

約数和(自身を除く): 280929760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 89, 146, 178, 292, 356, 365, 389, 445, 584, 712, 730, 778, 890, 1168, 1424, 1460, 1556, 1780, 1945, 2920, 3112, 3560, 3890, 5840, 6224, 6497, 7120, 7780, 12994, 15560, 25988, 28397, 31120, 32485, 34621, 51976, 56794, 64970, 69242, 103952, 113588, 129940, 138484, 141985, 173105, 227176, 259880, 276968, 283970, 346210, 454352, 519760, 553936, 567940, 692420, 1135880, 1384840, 2271760, 2527333, 2769680, 5054666, 10109332, 12636665, 20218664, 25273330, 40437328, 50546660, 101093320, 202186640]

約数ペア:

[(1, 202186640), (2, 101093320), (4, 50546660), (5, 40437328), (8, 25273330), (10, 20218664), (16, 12636665), (20, 10109332), (40, 5054666), (73, 2769680), (80, 2527333), (89, 2271760), (146, 1384840), (178, 1135880), (292, 692420), (356, 567940), (365, 553936), (389, 519760), (445, 454352), (584, 346210), (712, 283970), (730, 276968), (778, 259880), (890, 227176), (1168, 173105), (1424, 141985), (1460, 138484), (1556, 129940), (1780, 113588), (1945, 103952), (2920, 69242), (3112, 64970), (3560, 56794), (3890, 51976), (5840, 34621), (6224, 32485), (6497, 31120), (7120, 28397), (7780, 25988), (12994, 15560)]