8122730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{137}}^1$

素因数の和:180

約数の個数: 72

約数和(自身を含む): 18831204

約数和(自身を除く): 10708474

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 121, 137, 154, 242, 245, 274, 385, 490, 539, 605, 685, 770, 847, 959, 1078, 1210, 1370, 1507, 1694, 1918, 2695, 3014, 4235, 4795, 5390, 5929, 6713, 7535, 8470, 9590, 10549, 11858, 13426, 15070, 16577, 21098, 29645, 33154, 33565, 52745, 59290, 67130, 73843, 82885, 105490, 116039, 147686, 165770, 232078, 369215, 580195, 738430, 812273, 1160390, 1624546, 4061365, 8122730]

約数ペア:

[(1, 8122730), (2, 4061365), (5, 1624546), (7, 1160390), (10, 812273), (11, 738430), (14, 580195), (22, 369215), (35, 232078), (49, 165770), (55, 147686), (70, 116039), (77, 105490), (98, 82885), (110, 73843), (121, 67130), (137, 59290), (154, 52745), (242, 33565), (245, 33154), (274, 29645), (385, 21098), (490, 16577), (539, 15070), (605, 13426), (685, 11858), (770, 10549), (847, 9590), (959, 8470), (1078, 7535), (1210, 6713), (1370, 5929), (1507, 5390), (1694, 4795), (1918, 4235), (2695, 3014)]