281856900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{72271}}^1$

素因数の和:72301

約数の個数: 72

約数和(自身を含む): 878249344

約数和(自身を除く): 596392444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 72271, 144542, 216813, 289084, 361355, 433626, 722710, 867252, 939523, 1084065, 1445420, 1806775, 1879046, 2168130, 2818569, 3613550, 3758092, 4336260, 4697615, 5420325, 5637138, 7227100, 9395230, 10840650, 11274276, 14092845, 18790460, 21681300, 23488075, 28185690, 46976150, 56371380, 70464225, 93952300, 140928450, 281856900]

約数ペア:

[(1, 281856900), (2, 140928450), (3, 93952300), (4, 70464225), (5, 56371380), (6, 46976150), (10, 28185690), (12, 23488075), (13, 21681300), (15, 18790460), (20, 14092845), (25, 11274276), (26, 10840650), (30, 9395230), (39, 7227100), (50, 5637138), (52, 5420325), (60, 4697615), (65, 4336260), (75, 3758092), (78, 3613550), (100, 2818569), (130, 2168130), (150, 1879046), (156, 1806775), (195, 1445420), (260, 1084065), (300, 939523), (325, 867252), (390, 722710), (650, 433626), (780, 361355), (975, 289084), (1300, 216813), (1950, 144542), (3900, 72271)]