258763260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{616103}}^1$

素因数の和:616122

約数の個数: 48

約数和(自身を含む): 828043776

約数和(自身を除く): 569280516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 616103, 1232206, 1848309, 2464412, 3080515, 3696618, 4312721, 6161030, 7393236, 8625442, 9241545, 12322060, 12938163, 17250884, 18483090, 21563605, 25876326, 36966180, 43127210, 51752652, 64690815, 86254420, 129381630, 258763260]

約数ペア:

[(1, 258763260), (2, 129381630), (3, 86254420), (4, 64690815), (5, 51752652), (6, 43127210), (7, 36966180), (10, 25876326), (12, 21563605), (14, 18483090), (15, 17250884), (20, 12938163), (21, 12322060), (28, 9241545), (30, 8625442), (35, 7393236), (42, 6161030), (60, 4312721), (70, 3696618), (84, 3080515), (105, 2464412), (140, 1848309), (210, 1232206), (420, 616103)]