90702904340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{612113}}^1$

素因数の和:612392

約数の個数: 48

約数和(自身を含む): 197443491840

約数和(自身を除く): 106740587500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 239, 310, 478, 620, 956, 1195, 2390, 4780, 7409, 14818, 29636, 37045, 74090, 148180, 612113, 1224226, 2448452, 3060565, 6121130, 12242260, 18975503, 37951006, 75902012, 94877515, 146295007, 189755030, 292590014, 379510060, 585180028, 731475035, 1462950070, 2925900140, 4535145217, 9070290434, 18140580868, 22675726085, 45351452170, 90702904340]

約数ペア:

[(1, 90702904340), (2, 45351452170), (4, 22675726085), (5, 18140580868), (10, 9070290434), (20, 4535145217), (31, 2925900140), (62, 1462950070), (124, 731475035), (155, 585180028), (239, 379510060), (310, 292590014), (478, 189755030), (620, 146295007), (956, 94877515), (1195, 75902012), (2390, 37951006), (4780, 18975503), (7409, 12242260), (14818, 6121130), (29636, 3060565), (37045, 2448452), (74090, 1224226), (148180, 612113)]