169900120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{823}}^1$

素因数の和:1244

約数の個数: 64

約数和(自身を含む): 413219520

約数和(自身を除く): 243319400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 397, 520, 794, 823, 1588, 1646, 1985, 3176, 3292, 3970, 4115, 5161, 6584, 7940, 8230, 10322, 10699, 15880, 16460, 20644, 21398, 25805, 32920, 41288, 42796, 51610, 53495, 85592, 103220, 106990, 206440, 213980, 326731, 427960, 653462, 1306924, 1633655, 2613848, 3267310, 4247503, 6534620, 8495006, 13069240, 16990012, 21237515, 33980024, 42475030, 84950060, 169900120]

約数ペア:

[(1, 169900120), (2, 84950060), (4, 42475030), (5, 33980024), (8, 21237515), (10, 16990012), (13, 13069240), (20, 8495006), (26, 6534620), (40, 4247503), (52, 3267310), (65, 2613848), (104, 1633655), (130, 1306924), (260, 653462), (397, 427960), (520, 326731), (794, 213980), (823, 206440), (1588, 106990), (1646, 103220), (1985, 85592), (3176, 53495), (3292, 51610), (3970, 42796), (4115, 41288), (5161, 32920), (6584, 25805), (7940, 21398), (8230, 20644), (10322, 16460), (10699, 15880)]