28395450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:816

約数の個数: 72

約数和(自身を含む): 77255100

約数和(自身を除く): 48859650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 89, 90, 150, 178, 225, 267, 445, 450, 534, 709, 801, 890, 1335, 1418, 1602, 2127, 2225, 2670, 3545, 4005, 4254, 4450, 6381, 6675, 7090, 8010, 10635, 12762, 13350, 17725, 20025, 21270, 31905, 35450, 40050, 53175, 63101, 63810, 106350, 126202, 159525, 189303, 315505, 319050, 378606, 567909, 631010, 946515, 1135818, 1577525, 1893030, 2839545, 3155050, 4732575, 5679090, 9465150, 14197725, 28395450]

約数ペア:

[(1, 28395450), (2, 14197725), (3, 9465150), (5, 5679090), (6, 4732575), (9, 3155050), (10, 2839545), (15, 1893030), (18, 1577525), (25, 1135818), (30, 946515), (45, 631010), (50, 567909), (75, 378606), (89, 319050), (90, 315505), (150, 189303), (178, 159525), (225, 126202), (267, 106350), (445, 63810), (450, 63101), (534, 53175), (709, 40050), (801, 35450), (890, 31905), (1335, 21270), (1418, 20025), (1602, 17725), (2127, 13350), (2225, 12762), (2670, 10635), (3545, 8010), (4005, 7090), (4254, 6675), (4450, 6381)]