47932820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:385

約数の個数: 96

約数和(自身を含む): 118164480

約数和(自身を除く): 70231660

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 31, 38, 52, 62, 65, 76, 95, 124, 130, 155, 190, 247, 260, 310, 313, 380, 403, 494, 589, 620, 626, 806, 988, 1178, 1235, 1252, 1565, 1612, 2015, 2356, 2470, 2945, 3130, 4030, 4069, 4940, 5890, 5947, 6260, 7657, 8060, 8138, 9703, 11780, 11894, 15314, 16276, 19406, 20345, 23788, 29735, 30628, 38285, 38812, 40690, 48515, 59470, 76570, 77311, 81380, 97030, 118940, 126139, 153140, 154622, 184357, 194060, 252278, 309244, 368714, 386555, 504556, 630695, 737428, 773110, 921785, 1261390, 1546220, 1843570, 2396641, 2522780, 3687140, 4793282, 9586564, 11983205, 23966410, 47932820]

約数ペア:

[(1, 47932820), (2, 23966410), (4, 11983205), (5, 9586564), (10, 4793282), (13, 3687140), (19, 2522780), (20, 2396641), (26, 1843570), (31, 1546220), (38, 1261390), (52, 921785), (62, 773110), (65, 737428), (76, 630695), (95, 504556), (124, 386555), (130, 368714), (155, 309244), (190, 252278), (247, 194060), (260, 184357), (310, 154622), (313, 153140), (380, 126139), (403, 118940), (494, 97030), (589, 81380), (620, 77311), (626, 76570), (806, 59470), (988, 48515), (1178, 40690), (1235, 38812), (1252, 38285), (1565, 30628), (1612, 29735), (2015, 23788), (2356, 20345), (2470, 19406), (2945, 16276), (3130, 15314), (4030, 11894), (4069, 11780), (4940, 9703), (5890, 8138), (5947, 8060), (6260, 7657)]