489450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:279

約数の個数: 48

約数和(自身を含む): 1312416

約数和(自身を除く): 822966

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 251, 325, 390, 502, 650, 753, 975, 1255, 1506, 1950, 2510, 3263, 3765, 6275, 6526, 7530, 9789, 12550, 16315, 18825, 19578, 32630, 37650, 48945, 81575, 97890, 163150, 244725, 489450]

約数ペア:

[(1, 489450), (2, 244725), (3, 163150), (5, 97890), (6, 81575), (10, 48945), (13, 37650), (15, 32630), (25, 19578), (26, 18825), (30, 16315), (39, 12550), (50, 9789), (65, 7530), (75, 6526), (78, 6275), (130, 3765), (150, 3263), (195, 2510), (251, 1950), (325, 1506), (390, 1255), (502, 975), (650, 753)]