1926340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 4515840

約数和(自身を除く): 2589500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 239, 260, 310, 403, 478, 620, 806, 956, 1195, 1612, 2015, 2390, 3107, 4030, 4780, 6214, 7409, 8060, 12428, 14818, 15535, 29636, 31070, 37045, 62140, 74090, 96317, 148180, 192634, 385268, 481585, 963170, 1926340]

約数ペア:

[(1, 1926340), (2, 963170), (4, 481585), (5, 385268), (10, 192634), (13, 148180), (20, 96317), (26, 74090), (31, 62140), (52, 37045), (62, 31070), (65, 29636), (124, 15535), (130, 14818), (155, 12428), (239, 8060), (260, 7409), (310, 6214), (403, 4780), (478, 4030), (620, 3107), (806, 2390), (956, 2015), (1195, 1612)]