28484970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:431

約数の個数: 64

約数和(自身を含む): 71470080

約数和(自身を除く): 42985110

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 109, 155, 186, 218, 281, 310, 327, 465, 545, 562, 654, 843, 930, 1090, 1405, 1635, 1686, 2810, 3270, 3379, 4215, 6758, 8430, 8711, 10137, 16895, 17422, 20274, 26133, 30629, 33790, 43555, 50685, 52266, 61258, 87110, 91887, 101370, 130665, 153145, 183774, 261330, 306290, 459435, 918870, 949499, 1898998, 2848497, 4747495, 5696994, 9494990, 14242485, 28484970]

約数ペア:

[(1, 28484970), (2, 14242485), (3, 9494990), (5, 5696994), (6, 4747495), (10, 2848497), (15, 1898998), (30, 949499), (31, 918870), (62, 459435), (93, 306290), (109, 261330), (155, 183774), (186, 153145), (218, 130665), (281, 101370), (310, 91887), (327, 87110), (465, 61258), (545, 52266), (562, 50685), (654, 43555), (843, 33790), (930, 30629), (1090, 26133), (1405, 20274), (1635, 17422), (1686, 16895), (2810, 10137), (3270, 8711), (3379, 8430), (4215, 6758)]