201989680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{727}}^1$

素因数の和:914

約数の個数: 80

約数和(自身を含む): 493968384

約数和(自身を除く): 291978704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 151, 184, 230, 302, 368, 460, 604, 727, 755, 920, 1208, 1454, 1510, 1840, 2416, 2908, 3020, 3473, 3635, 5816, 6040, 6946, 7270, 11632, 12080, 13892, 14540, 16721, 17365, 27784, 29080, 33442, 34730, 55568, 58160, 66884, 69460, 83605, 109777, 133768, 138920, 167210, 219554, 267536, 277840, 334420, 439108, 548885, 668840, 878216, 1097770, 1337680, 1756432, 2195540, 2524871, 4391080, 5049742, 8782160, 10099484, 12624355, 20198968, 25248710, 40397936, 50497420, 100994840, 201989680]

約数ペア:

[(1, 201989680), (2, 100994840), (4, 50497420), (5, 40397936), (8, 25248710), (10, 20198968), (16, 12624355), (20, 10099484), (23, 8782160), (40, 5049742), (46, 4391080), (80, 2524871), (92, 2195540), (115, 1756432), (151, 1337680), (184, 1097770), (230, 878216), (302, 668840), (368, 548885), (460, 439108), (604, 334420), (727, 277840), (755, 267536), (920, 219554), (1208, 167210), (1454, 138920), (1510, 133768), (1840, 109777), (2416, 83605), (2908, 69460), (3020, 66884), (3473, 58160), (3635, 55568), (5816, 34730), (6040, 33442), (6946, 29080), (7270, 27784), (11632, 17365), (12080, 16721), (13892, 14540)]