7407140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 17310720

約数和(自身を除く): 9903580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 919, 1612, 1838, 2015, 3676, 4030, 4595, 8060, 9190, 11947, 18380, 23894, 28489, 47788, 56978, 59735, 113956, 119470, 142445, 238940, 284890, 370357, 569780, 740714, 1481428, 1851785, 3703570, 7407140]

約数ペア:

[(1, 7407140), (2, 3703570), (4, 1851785), (5, 1481428), (10, 740714), (13, 569780), (20, 370357), (26, 284890), (31, 238940), (52, 142445), (62, 119470), (65, 113956), (124, 59735), (130, 56978), (155, 47788), (260, 28489), (310, 23894), (403, 18380), (620, 11947), (806, 9190), (919, 8060), (1612, 4595), (1838, 4030), (2015, 3676)]