689138330

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 1300147200

約数和(自身を除く): 611008870

約数列:

[1, 2, 5, 10, 53, 79, 106, 109, 151, 158, 218, 265, 302, 395, 530, 545, 755, 790, 1090, 1510, 4187, 5777, 8003, 8374, 8611, 11554, 11929, 16006, 16459, 17222, 20935, 23858, 28885, 32918, 40015, 41870, 43055, 57770, 59645, 80030, 82295, 86110, 119290, 164590, 456383, 632237, 872327, 912766, 1264474, 1300261, 1744654, 2281915, 2600522, 3161185, 4361635, 4563830, 6322370, 6501305, 8723270, 13002610, 68913833, 137827666, 344569165, 689138330]

約数ペア:

[(1, 689138330), (2, 344569165), (5, 137827666), (10, 68913833), (53, 13002610), (79, 8723270), (106, 6501305), (109, 6322370), (151, 4563830), (158, 4361635), (218, 3161185), (265, 2600522), (302, 2281915), (395, 1744654), (530, 1300261), (545, 1264474), (755, 912766), (790, 872327), (1090, 632237), (1510, 456383), (4187, 164590), (5777, 119290), (8003, 86110), (8374, 82295), (8611, 80030), (11554, 59645), (11929, 57770), (16006, 43055), (16459, 41870), (17222, 40015), (20935, 32918), (23858, 28885)]