221989740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31091}}^1$

素因数の和:31127

約数の個数: 96

約数和(自身を含む): 752177664

約数和(自身を除く): 530187924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 7140, 31091, 62182, 93273, 124364, 155455, 186546, 217637, 310910, 373092, 435274, 466365, 528547, 621820, 652911, 870548, 932730, 1057094, 1088185, 1305822, 1585641, 1865460, 2114188, 2176370, 2611644, 2642735, 3171282, 3264555, 3699829, 4352740, 5285470, 6342564, 6529110, 7399658, 7928205, 10570940, 11099487, 13058220, 14799316, 15856410, 18499145, 22198974, 31712820, 36998290, 44397948, 55497435, 73996580, 110994870, 221989740]

約数ペア:

[(1, 221989740), (2, 110994870), (3, 73996580), (4, 55497435), (5, 44397948), (6, 36998290), (7, 31712820), (10, 22198974), (12, 18499145), (14, 15856410), (15, 14799316), (17, 13058220), (20, 11099487), (21, 10570940), (28, 7928205), (30, 7399658), (34, 6529110), (35, 6342564), (42, 5285470), (51, 4352740), (60, 3699829), (68, 3264555), (70, 3171282), (84, 2642735), (85, 2611644), (102, 2176370), (105, 2114188), (119, 1865460), (140, 1585641), (170, 1305822), (204, 1088185), (210, 1057094), (238, 932730), (255, 870548), (340, 652911), (357, 621820), (420, 528547), (476, 466365), (510, 435274), (595, 373092), (714, 310910), (1020, 217637), (1190, 186546), (1428, 155455), (1785, 124364), (2380, 93273), (3570, 62182), (7140, 31091)]