210330640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:417

約数の個数: 120

約数和(自身を含む): 542429568

約数和(自身を除く): 332098928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 94, 104, 130, 169, 188, 208, 235, 260, 331, 338, 376, 470, 520, 611, 662, 676, 752, 845, 940, 1040, 1222, 1324, 1352, 1655, 1690, 1880, 2444, 2648, 2704, 3055, 3310, 3380, 3760, 4303, 4888, 5296, 6110, 6620, 6760, 7943, 8606, 9776, 12220, 13240, 13520, 15557, 15886, 17212, 21515, 24440, 26480, 31114, 31772, 34424, 39715, 43030, 48880, 55939, 62228, 63544, 68848, 77785, 79430, 86060, 111878, 124456, 127088, 155570, 158860, 172120, 202241, 223756, 248912, 279695, 311140, 317720, 344240, 404482, 447512, 559390, 622280, 635440, 808964, 895024, 1011205, 1118780, 1244560, 1617928, 2022410, 2237560, 2629133, 3235856, 4044820, 4475120, 5258266, 8089640, 10516532, 13145665, 16179280, 21033064, 26291330, 42066128, 52582660, 105165320, 210330640]

約数ペア:

[(1, 210330640), (2, 105165320), (4, 52582660), (5, 42066128), (8, 26291330), (10, 21033064), (13, 16179280), (16, 13145665), (20, 10516532), (26, 8089640), (40, 5258266), (47, 4475120), (52, 4044820), (65, 3235856), (80, 2629133), (94, 2237560), (104, 2022410), (130, 1617928), (169, 1244560), (188, 1118780), (208, 1011205), (235, 895024), (260, 808964), (331, 635440), (338, 622280), (376, 559390), (470, 447512), (520, 404482), (611, 344240), (662, 317720), (676, 311140), (752, 279695), (845, 248912), (940, 223756), (1040, 202241), (1222, 172120), (1324, 158860), (1352, 155570), (1655, 127088), (1690, 124456), (1880, 111878), (2444, 86060), (2648, 79430), (2704, 77785), (3055, 68848), (3310, 63544), (3380, 62228), (3760, 55939), (4303, 48880), (4888, 43030), (5296, 39715), (6110, 34424), (6620, 31772), (6760, 31114), (7943, 26480), (8606, 24440), (9776, 21515), (12220, 17212), (13240, 15886), (13520, 15557)]