919820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 2183328

約数和(自身を除く): 1263508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 113, 148, 185, 220, 226, 370, 407, 452, 565, 740, 814, 1130, 1243, 1628, 2035, 2260, 2486, 4070, 4181, 4972, 6215, 8140, 8362, 12430, 16724, 20905, 24860, 41810, 45991, 83620, 91982, 183964, 229955, 459910, 919820]

約数ペア:

[(1, 919820), (2, 459910), (4, 229955), (5, 183964), (10, 91982), (11, 83620), (20, 45991), (22, 41810), (37, 24860), (44, 20905), (55, 16724), (74, 12430), (110, 8362), (113, 8140), (148, 6215), (185, 4972), (220, 4181), (226, 4070), (370, 2486), (407, 2260), (452, 2035), (565, 1628), (740, 1243), (814, 1130)]