289150280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{25013}}^1$

素因数の和:25058

約数の個数: 48

約数和(自身を含む): 691136820

約数和(自身を除く): 401986540

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 5780, 11560, 25013, 50026, 100052, 125065, 200104, 250130, 425221, 500260, 850442, 1000520, 1700884, 2126105, 3401768, 4252210, 7228757, 8504420, 14457514, 17008840, 28915028, 36143785, 57830056, 72287570, 144575140, 289150280]

約数ペア:

[(1, 289150280), (2, 144575140), (4, 72287570), (5, 57830056), (8, 36143785), (10, 28915028), (17, 17008840), (20, 14457514), (34, 8504420), (40, 7228757), (68, 4252210), (85, 3401768), (136, 2126105), (170, 1700884), (289, 1000520), (340, 850442), (578, 500260), (680, 425221), (1156, 250130), (1445, 200104), (2312, 125065), (2890, 100052), (5780, 50026), (11560, 25013)]