2902376240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{937}}^1\times {\mathrm{1249}}^1$

素因数の和:2230

約数の個数: 80

約数和(自身を含む): 6978720000

約数和(自身を除く): 4076343760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 937, 1240, 1249, 1874, 2480, 2498, 3748, 4685, 4996, 6245, 7496, 9370, 9992, 12490, 14992, 18740, 19984, 24980, 29047, 37480, 38719, 49960, 58094, 74960, 77438, 99920, 116188, 145235, 154876, 193595, 232376, 290470, 309752, 387190, 464752, 580940, 619504, 774380, 1161880, 1170313, 1548760, 2323760, 2340626, 3097520, 4681252, 5851565, 9362504, 11703130, 18725008, 23406260, 36279703, 46812520, 72559406, 93625040, 145118812, 181398515, 290237624, 362797030, 580475248, 725594060, 1451188120, 2902376240]

約数ペア:

[(1, 2902376240), (2, 1451188120), (4, 725594060), (5, 580475248), (8, 362797030), (10, 290237624), (16, 181398515), (20, 145118812), (31, 93625040), (40, 72559406), (62, 46812520), (80, 36279703), (124, 23406260), (155, 18725008), (248, 11703130), (310, 9362504), (496, 5851565), (620, 4681252), (937, 3097520), (1240, 2340626), (1249, 2323760), (1874, 1548760), (2480, 1170313), (2498, 1161880), (3748, 774380), (4685, 619504), (4996, 580940), (6245, 464752), (7496, 387190), (9370, 309752), (9992, 290470), (12490, 232376), (14992, 193595), (18740, 154876), (19984, 145235), (24980, 116188), (29047, 99920), (37480, 77438), (38719, 74960), (49960, 58094)]