78562100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1249}}^1$

素因数の和:1317

約数の個数: 72

約数和(自身を含む): 185535000

約数和(自身を除く): 106972900

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 37, 50, 68, 74, 85, 100, 148, 170, 185, 340, 370, 425, 629, 740, 850, 925, 1249, 1258, 1700, 1850, 2498, 2516, 3145, 3700, 4996, 6245, 6290, 12490, 12580, 15725, 21233, 24980, 31225, 31450, 42466, 46213, 62450, 62900, 84932, 92426, 106165, 124900, 184852, 212330, 231065, 424660, 462130, 530825, 785621, 924260, 1061650, 1155325, 1571242, 2123300, 2310650, 3142484, 3928105, 4621300, 7856210, 15712420, 19640525, 39281050, 78562100]

約数ペア:

[(1, 78562100), (2, 39281050), (4, 19640525), (5, 15712420), (10, 7856210), (17, 4621300), (20, 3928105), (25, 3142484), (34, 2310650), (37, 2123300), (50, 1571242), (68, 1155325), (74, 1061650), (85, 924260), (100, 785621), (148, 530825), (170, 462130), (185, 424660), (340, 231065), (370, 212330), (425, 184852), (629, 124900), (740, 106165), (850, 92426), (925, 84932), (1249, 62900), (1258, 62450), (1700, 46213), (1850, 42466), (2498, 31450), (2516, 31225), (3145, 24980), (3700, 21233), (4996, 15725), (6245, 12580), (6290, 12490)]