1839640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 4678560

約数和(自身を除く): 2838920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 113, 148, 185, 220, 226, 296, 370, 407, 440, 452, 565, 740, 814, 904, 1130, 1243, 1480, 1628, 2035, 2260, 2486, 3256, 4070, 4181, 4520, 4972, 6215, 8140, 8362, 9944, 12430, 16280, 16724, 20905, 24860, 33448, 41810, 45991, 49720, 83620, 91982, 167240, 183964, 229955, 367928, 459910, 919820, 1839640]

約数ペア:

[(1, 1839640), (2, 919820), (4, 459910), (5, 367928), (8, 229955), (10, 183964), (11, 167240), (20, 91982), (22, 83620), (37, 49720), (40, 45991), (44, 41810), (55, 33448), (74, 24860), (88, 20905), (110, 16724), (113, 16280), (148, 12430), (185, 9944), (220, 8362), (226, 8140), (296, 6215), (370, 4972), (407, 4520), (440, 4181), (452, 4070), (565, 3256), (740, 2486), (814, 2260), (904, 2035), (1130, 1628), (1243, 1480)]