120687800

素因数分解:

$2^3\times 5^2\times {\mathrm{491}}^1\times {\mathrm{1229}}^1$

素因数の和:1736

約数の個数: 48

約数和(自身を含む): 281399400

約数和(自身を除く): 160711600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 491, 982, 1229, 1964, 2455, 2458, 3928, 4910, 4916, 6145, 9820, 9832, 12275, 12290, 19640, 24550, 24580, 30725, 49100, 49160, 61450, 98200, 122900, 245800, 603439, 1206878, 2413756, 3017195, 4827512, 6034390, 12068780, 15085975, 24137560, 30171950, 60343900, 120687800]

約数ペア:

[(1, 120687800), (2, 60343900), (4, 30171950), (5, 24137560), (8, 15085975), (10, 12068780), (20, 6034390), (25, 4827512), (40, 3017195), (50, 2413756), (100, 1206878), (200, 603439), (491, 245800), (982, 122900), (1229, 98200), (1964, 61450), (2455, 49160), (2458, 49100), (3928, 30725), (4910, 24580), (4916, 24550), (6145, 19640), (9820, 12290), (9832, 12275)]