212141380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{811}}^1$

素因数の和:901

約数の個数: 96

約数和(自身を含む): 515652480

約数和(自身を除く): 303511100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 41, 44, 55, 58, 82, 110, 116, 145, 164, 205, 220, 290, 319, 410, 451, 580, 638, 811, 820, 902, 1189, 1276, 1595, 1622, 1804, 2255, 2378, 3190, 3244, 4055, 4510, 4756, 5945, 6380, 8110, 8921, 9020, 11890, 13079, 16220, 17842, 23519, 23780, 26158, 33251, 35684, 44605, 47038, 52316, 65395, 66502, 89210, 94076, 117595, 130790, 133004, 166255, 178420, 235190, 258709, 261580, 332510, 365761, 470380, 517418, 665020, 731522, 964279, 1034836, 1293545, 1463044, 1828805, 1928558, 2587090, 3657610, 3857116, 4821395, 5174180, 7315220, 9642790, 10607069, 19285580, 21214138, 42428276, 53035345, 106070690, 212141380]

約数ペア:

[(1, 212141380), (2, 106070690), (4, 53035345), (5, 42428276), (10, 21214138), (11, 19285580), (20, 10607069), (22, 9642790), (29, 7315220), (41, 5174180), (44, 4821395), (55, 3857116), (58, 3657610), (82, 2587090), (110, 1928558), (116, 1828805), (145, 1463044), (164, 1293545), (205, 1034836), (220, 964279), (290, 731522), (319, 665020), (410, 517418), (451, 470380), (580, 365761), (638, 332510), (811, 261580), (820, 258709), (902, 235190), (1189, 178420), (1276, 166255), (1595, 133004), (1622, 130790), (1804, 117595), (2255, 94076), (2378, 89210), (3190, 66502), (3244, 65395), (4055, 52316), (4510, 47038), (4756, 44605), (5945, 35684), (6380, 33251), (8110, 26158), (8921, 23780), (9020, 23519), (11890, 17842), (13079, 16220)]