321870770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1097}}^1$

素因数の和:1215

約数の個数: 64

約数和(自身を含む): 651895776

約数和(自身を除く): 330025006

約数列:

[1, 2, 5, 10, 13, 26, 37, 61, 65, 74, 122, 130, 185, 305, 370, 481, 610, 793, 962, 1097, 1586, 2194, 2257, 2405, 3965, 4514, 4810, 5485, 7930, 10970, 11285, 14261, 22570, 28522, 29341, 40589, 58682, 66917, 71305, 81178, 133834, 142610, 146705, 202945, 293410, 334585, 405890, 527657, 669170, 869921, 1055314, 1739842, 2475929, 2638285, 4349605, 4951858, 5276570, 8699210, 12379645, 24759290, 32187077, 64374154, 160935385, 321870770]

約数ペア:

[(1, 321870770), (2, 160935385), (5, 64374154), (10, 32187077), (13, 24759290), (26, 12379645), (37, 8699210), (61, 5276570), (65, 4951858), (74, 4349605), (122, 2638285), (130, 2475929), (185, 1739842), (305, 1055314), (370, 869921), (481, 669170), (610, 527657), (793, 405890), (962, 334585), (1097, 293410), (1586, 202945), (2194, 146705), (2257, 142610), (2405, 133834), (3965, 81178), (4514, 71305), (4810, 66917), (5485, 58682), (7930, 40589), (10970, 29341), (11285, 28522), (14261, 22570)]