78879990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{3719}}^1$

素因数の和:3837

約数の個数: 64

約数和(自身を含む): 218557440

約数和(自身を除く): 139677450

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 101, 105, 202, 210, 303, 505, 606, 707, 1010, 1414, 1515, 2121, 3030, 3535, 3719, 4242, 7070, 7438, 10605, 11157, 18595, 21210, 22314, 26033, 37190, 52066, 55785, 78099, 111570, 130165, 156198, 260330, 375619, 390495, 751238, 780990, 1126857, 1878095, 2253714, 2629333, 3756190, 5258666, 5634285, 7887999, 11268570, 13146665, 15775998, 26293330, 39439995, 78879990]

約数ペア:

[(1, 78879990), (2, 39439995), (3, 26293330), (5, 15775998), (6, 13146665), (7, 11268570), (10, 7887999), (14, 5634285), (15, 5258666), (21, 3756190), (30, 2629333), (35, 2253714), (42, 1878095), (70, 1126857), (101, 780990), (105, 751238), (202, 390495), (210, 375619), (303, 260330), (505, 156198), (606, 130165), (707, 111570), (1010, 78099), (1414, 55785), (1515, 52066), (2121, 37190), (3030, 26033), (3535, 22314), (3719, 21210), (4242, 18595), (7070, 11157), (7438, 10605)]