138613640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{13697}}^1$

素因数の和:13742

約数の個数: 64

約数和(自身を含む): 355052160

約数和(自身を除く): 216438520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 10120, 13697, 27394, 54788, 68485, 109576, 136970, 150667, 273940, 301334, 315031, 547880, 602668, 630062, 753335, 1205336, 1260124, 1506670, 1575155, 2520248, 3013340, 3150310, 3465341, 6026680, 6300620, 6930682, 12601240, 13861364, 17326705, 27722728, 34653410, 69306820, 138613640]

約数ペア:

[(1, 138613640), (2, 69306820), (4, 34653410), (5, 27722728), (8, 17326705), (10, 13861364), (11, 12601240), (20, 6930682), (22, 6300620), (23, 6026680), (40, 3465341), (44, 3150310), (46, 3013340), (55, 2520248), (88, 1575155), (92, 1506670), (110, 1260124), (115, 1205336), (184, 753335), (220, 630062), (230, 602668), (253, 547880), (440, 315031), (460, 301334), (506, 273940), (920, 150667), (1012, 136970), (1265, 109576), (2024, 68485), (2530, 54788), (5060, 27394), (10120, 13697)]