28278900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2417}}^1$

素因数の和:2450

約数の個数: 108

約数和(自身を含む): 95496492

約数和(自身を除く): 67217592

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 117, 130, 150, 156, 180, 195, 225, 234, 260, 300, 325, 390, 450, 468, 585, 650, 780, 900, 975, 1170, 1300, 1950, 2340, 2417, 2925, 3900, 4834, 5850, 7251, 9668, 11700, 12085, 14502, 21753, 24170, 29004, 31421, 36255, 43506, 48340, 60425, 62842, 72510, 87012, 94263, 108765, 120850, 125684, 145020, 157105, 181275, 188526, 217530, 241700, 282789, 314210, 362550, 377052, 435060, 471315, 543825, 565578, 628420, 725100, 785525, 942630, 1087650, 1131156, 1413945, 1571050, 1885260, 2175300, 2356575, 2827890, 3142100, 4713150, 5655780, 7069725, 9426300, 14139450, 28278900]

約数ペア:

[(1, 28278900), (2, 14139450), (3, 9426300), (4, 7069725), (5, 5655780), (6, 4713150), (9, 3142100), (10, 2827890), (12, 2356575), (13, 2175300), (15, 1885260), (18, 1571050), (20, 1413945), (25, 1131156), (26, 1087650), (30, 942630), (36, 785525), (39, 725100), (45, 628420), (50, 565578), (52, 543825), (60, 471315), (65, 435060), (75, 377052), (78, 362550), (90, 314210), (100, 282789), (117, 241700), (130, 217530), (150, 188526), (156, 181275), (180, 157105), (195, 145020), (225, 125684), (234, 120850), (260, 108765), (300, 94263), (325, 87012), (390, 72510), (450, 62842), (468, 60425), (585, 48340), (650, 43506), (780, 36255), (900, 31421), (975, 29004), (1170, 24170), (1300, 21753), (1950, 14502), (2340, 12085), (2417, 11700), (2925, 9668), (3900, 7251), (4834, 5850)]