283220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^2$

素因数の和:57

約数の個数: 54

約数和(自身を含む): 734958

約数和(自身を除く): 451738

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 289, 340, 476, 490, 578, 595, 833, 980, 1156, 1190, 1445, 1666, 2023, 2380, 2890, 3332, 4046, 4165, 5780, 8092, 8330, 10115, 14161, 16660, 20230, 28322, 40460, 56644, 70805, 141610, 283220]

約数ペア:

[(1, 283220), (2, 141610), (4, 70805), (5, 56644), (7, 40460), (10, 28322), (14, 20230), (17, 16660), (20, 14161), (28, 10115), (34, 8330), (35, 8092), (49, 5780), (68, 4165), (70, 4046), (85, 3332), (98, 2890), (119, 2380), (140, 2023), (170, 1666), (196, 1445), (238, 1190), (245, 1156), (289, 980), (340, 833), (476, 595), (490, 578)]