2784954920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{134669}}^1$

素因数の和:134738

約数の個数: 64

約数和(自身を含む): 6981292800

約数和(自身を除く): 4196337880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1880, 2068, 2585, 4136, 5170, 10340, 20680, 134669, 269338, 538676, 673345, 1077352, 1346690, 1481359, 2693380, 2962718, 5386760, 5925436, 6329443, 7406795, 11850872, 12658886, 14813590, 25317772, 29627180, 31647215, 50635544, 59254360, 63294430, 69623873, 126588860, 139247746, 253177720, 278495492, 348119365, 556990984, 696238730, 1392477460, 2784954920]

約数ペア:

[(1, 2784954920), (2, 1392477460), (4, 696238730), (5, 556990984), (8, 348119365), (10, 278495492), (11, 253177720), (20, 139247746), (22, 126588860), (40, 69623873), (44, 63294430), (47, 59254360), (55, 50635544), (88, 31647215), (94, 29627180), (110, 25317772), (188, 14813590), (220, 12658886), (235, 11850872), (376, 7406795), (440, 6329443), (470, 5925436), (517, 5386760), (940, 2962718), (1034, 2693380), (1880, 1481359), (2068, 1346690), (2585, 1077352), (4136, 673345), (5170, 538676), (10340, 269338), (20680, 134669)]