211040620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:383

約数の個数: 96

約数和(自身を含む): 520934400

約数和(自身を除く): 309893780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 149, 151, 268, 298, 302, 335, 469, 596, 604, 670, 745, 755, 938, 1043, 1057, 1340, 1490, 1510, 1876, 2086, 2114, 2345, 2980, 3020, 4172, 4228, 4690, 5215, 5285, 9380, 9983, 10117, 10430, 10570, 19966, 20234, 20860, 21140, 22499, 39932, 40468, 44998, 49915, 50585, 69881, 70819, 89996, 99830, 101170, 112495, 139762, 141638, 157493, 199660, 202340, 224990, 279524, 283276, 314986, 349405, 354095, 449980, 629972, 698810, 708190, 787465, 1397620, 1416380, 1507433, 1574930, 3014866, 3149860, 6029732, 7537165, 10552031, 15074330, 21104062, 30148660, 42208124, 52760155, 105520310, 211040620]

約数ペア:

[(1, 211040620), (2, 105520310), (4, 52760155), (5, 42208124), (7, 30148660), (10, 21104062), (14, 15074330), (20, 10552031), (28, 7537165), (35, 6029732), (67, 3149860), (70, 3014866), (134, 1574930), (140, 1507433), (149, 1416380), (151, 1397620), (268, 787465), (298, 708190), (302, 698810), (335, 629972), (469, 449980), (596, 354095), (604, 349405), (670, 314986), (745, 283276), (755, 279524), (938, 224990), (1043, 202340), (1057, 199660), (1340, 157493), (1490, 141638), (1510, 139762), (1876, 112495), (2086, 101170), (2114, 99830), (2345, 89996), (2980, 70819), (3020, 69881), (4172, 50585), (4228, 49915), (4690, 44998), (5215, 40468), (5285, 39932), (9380, 22499), (9983, 21140), (10117, 20860), (10430, 20234), (10570, 19966)]