780130540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{8831}}^1$

素因数の和:9478

約数の個数: 48

約数和(自身を含む): 1875492864

約数和(自身を除く): 1095362324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 631, 1262, 2524, 3155, 4417, 6310, 8831, 8834, 12620, 17662, 17668, 22085, 35324, 44155, 44170, 61817, 88310, 88340, 123634, 176620, 247268, 309085, 618170, 1236340, 5572361, 11144722, 22289444, 27861805, 39006527, 55723610, 78013054, 111447220, 156026108, 195032635, 390065270, 780130540]

約数ペア:

[(1, 780130540), (2, 390065270), (4, 195032635), (5, 156026108), (7, 111447220), (10, 78013054), (14, 55723610), (20, 39006527), (28, 27861805), (35, 22289444), (70, 11144722), (140, 5572361), (631, 1236340), (1262, 618170), (2524, 309085), (3155, 247268), (4417, 176620), (6310, 123634), (8831, 88340), (8834, 88310), (12620, 61817), (17662, 44170), (17668, 44155), (22085, 35324)]