28253550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{14489}}^1$

素因数の和:14517

約数の個数: 48

約数和(自身を含む): 75463920

約数和(自身を除く): 47210370

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 14489, 28978, 43467, 72445, 86934, 144890, 188357, 217335, 362225, 376714, 434670, 565071, 724450, 941785, 1086675, 1130142, 1883570, 2173350, 2825355, 4708925, 5650710, 9417850, 14126775, 28253550]

約数ペア:

[(1, 28253550), (2, 14126775), (3, 9417850), (5, 5650710), (6, 4708925), (10, 2825355), (13, 2173350), (15, 1883570), (25, 1130142), (26, 1086675), (30, 941785), (39, 724450), (50, 565071), (65, 434670), (75, 376714), (78, 362225), (130, 217335), (150, 188357), (195, 144890), (325, 86934), (390, 72445), (650, 43467), (975, 28978), (1950, 14489)]