212928540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 663169920

約数和(自身を除く): 450241380

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 139, 165, 211, 220, 242, 278, 330, 363, 417, 422, 484, 556, 605, 633, 660, 695, 726, 834, 844, 1055, 1210, 1266, 1390, 1452, 1529, 1668, 1815, 2085, 2110, 2321, 2420, 2532, 2780, 3058, 3165, 3630, 4170, 4220, 4587, 4642, 6116, 6330, 6963, 7260, 7645, 8340, 9174, 9284, 11605, 12660, 13926, 15290, 16819, 18348, 22935, 23210, 25531, 27852, 29329, 30580, 33638, 34815, 45870, 46420, 50457, 51062, 58658, 67276, 69630, 76593, 84095, 87987, 91740, 100914, 102124, 117316, 127655, 139260, 146645, 153186, 168190, 175974, 201828, 252285, 255310, 293290, 306372, 322619, 336380, 351948, 382965, 439935, 504570, 510620, 586580, 645238, 765930, 879870, 967857, 1009140, 1290476, 1531860, 1613095, 1759740, 1935714, 3226190, 3548809, 3871428, 4839285, 6452380, 7097618, 9678570, 10646427, 14195236, 17744045, 19357140, 21292854, 35488090, 42585708, 53232135, 70976180, 106464270, 212928540]

約数ペア:

[(1, 212928540), (2, 106464270), (3, 70976180), (4, 53232135), (5, 42585708), (6, 35488090), (10, 21292854), (11, 19357140), (12, 17744045), (15, 14195236), (20, 10646427), (22, 9678570), (30, 7097618), (33, 6452380), (44, 4839285), (55, 3871428), (60, 3548809), (66, 3226190), (110, 1935714), (121, 1759740), (132, 1613095), (139, 1531860), (165, 1290476), (211, 1009140), (220, 967857), (242, 879870), (278, 765930), (330, 645238), (363, 586580), (417, 510620), (422, 504570), (484, 439935), (556, 382965), (605, 351948), (633, 336380), (660, 322619), (695, 306372), (726, 293290), (834, 255310), (844, 252285), (1055, 201828), (1210, 175974), (1266, 168190), (1390, 153186), (1452, 146645), (1529, 139260), (1668, 127655), (1815, 117316), (2085, 102124), (2110, 100914), (2321, 91740), (2420, 87987), (2532, 84095), (2780, 76593), (3058, 69630), (3165, 67276), (3630, 58658), (4170, 51062), (4220, 50457), (4587, 46420), (4642, 45870), (6116, 34815), (6330, 33638), (6963, 30580), (7260, 29329), (7645, 27852), (8340, 25531), (9174, 23210), (9284, 22935), (11605, 18348), (12660, 16819), (13926, 15290)]