158508140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{161743}}^1$

素因数の和:161766

約数の個数: 36

約数和(自身を含む): 387215136

約数和(自身を除く): 228706996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 161743, 323486, 646972, 808715, 1132201, 1617430, 2264402, 3234860, 4528804, 5661005, 7925407, 11322010, 15850814, 22644020, 31701628, 39627035, 79254070, 158508140]

約数ペア:

[(1, 158508140), (2, 79254070), (4, 39627035), (5, 31701628), (7, 22644020), (10, 15850814), (14, 11322010), (20, 7925407), (28, 5661005), (35, 4528804), (49, 3234860), (70, 2264402), (98, 1617430), (140, 1132201), (196, 808715), (245, 646972), (490, 323486), (980, 161743)]