251283690

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{398863}}^1$

素因数の和:398883

約数の個数: 48

約数和(自身を含む): 746673408

約数和(自身を除く): 495389718

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 398863, 797726, 1196589, 1994315, 2393178, 2792041, 3589767, 3988630, 5584082, 5982945, 7179534, 8376123, 11965890, 13960205, 16752246, 17948835, 25128369, 27920410, 35897670, 41880615, 50256738, 83761230, 125641845, 251283690]

約数ペア:

[(1, 251283690), (2, 125641845), (3, 83761230), (5, 50256738), (6, 41880615), (7, 35897670), (9, 27920410), (10, 25128369), (14, 17948835), (15, 16752246), (18, 13960205), (21, 11965890), (30, 8376123), (35, 7179534), (42, 5982945), (45, 5584082), (63, 3988630), (70, 3589767), (90, 2792041), (105, 2393178), (126, 1994315), (210, 1196589), (315, 797726), (630, 398863)]