7408280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 18468000

約数和(自身を除く): 11059720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 113, 149, 220, 226, 298, 440, 452, 565, 596, 745, 904, 1130, 1192, 1243, 1490, 1639, 2260, 2486, 2980, 3278, 4520, 4972, 5960, 6215, 6556, 8195, 9944, 12430, 13112, 16390, 16837, 24860, 32780, 33674, 49720, 65560, 67348, 84185, 134696, 168370, 185207, 336740, 370414, 673480, 740828, 926035, 1481656, 1852070, 3704140, 7408280]

約数ペア:

[(1, 7408280), (2, 3704140), (4, 1852070), (5, 1481656), (8, 926035), (10, 740828), (11, 673480), (20, 370414), (22, 336740), (40, 185207), (44, 168370), (55, 134696), (88, 84185), (110, 67348), (113, 65560), (149, 49720), (220, 33674), (226, 32780), (298, 24860), (440, 16837), (452, 16390), (565, 13112), (596, 12430), (745, 9944), (904, 8195), (1130, 6556), (1192, 6215), (1243, 5960), (1490, 4972), (1639, 4520), (2260, 3278), (2486, 2980)]