197629880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{705821}}^1$

素因数の和:705839

約数の個数: 32

約数和(自身を含む): 508191840

約数和(自身を除く): 310561960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 705821, 1411642, 2823284, 3529105, 4940747, 5646568, 7058210, 9881494, 14116420, 19762988, 24703735, 28232840, 39525976, 49407470, 98814940, 197629880]

約数ペア:

[(1, 197629880), (2, 98814940), (4, 49407470), (5, 39525976), (7, 28232840), (8, 24703735), (10, 19762988), (14, 14116420), (20, 9881494), (28, 7058210), (35, 5646568), (40, 4940747), (56, 3529105), (70, 2823284), (140, 1411642), (280, 705821)]