7800340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 17160192

約数和(自身を除く): 9359852

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 83, 127, 148, 166, 185, 254, 332, 370, 415, 508, 635, 740, 830, 1270, 1660, 2540, 3071, 4699, 6142, 9398, 10541, 12284, 15355, 18796, 21082, 23495, 30710, 42164, 46990, 52705, 61420, 93980, 105410, 210820, 390017, 780034, 1560068, 1950085, 3900170, 7800340]

約数ペア:

[(1, 7800340), (2, 3900170), (4, 1950085), (5, 1560068), (10, 780034), (20, 390017), (37, 210820), (74, 105410), (83, 93980), (127, 61420), (148, 52705), (166, 46990), (185, 42164), (254, 30710), (332, 23495), (370, 21082), (415, 18796), (508, 15355), (635, 12284), (740, 10541), (830, 9398), (1270, 6142), (1660, 4699), (2540, 3071)]