31337900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:975

約数の個数: 72

約数和(自身を含む): 76661760

約数和(自身を除く): 45323860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 124, 155, 220, 275, 310, 341, 550, 620, 682, 775, 919, 1100, 1364, 1550, 1705, 1838, 3100, 3410, 3676, 4595, 6820, 8525, 9190, 10109, 17050, 18380, 20218, 22975, 28489, 34100, 40436, 45950, 50545, 56978, 91900, 101090, 113956, 142445, 202180, 252725, 284890, 313379, 505450, 569780, 626758, 712225, 1010900, 1253516, 1424450, 1566895, 2848900, 3133790, 6267580, 7834475, 15668950, 31337900]

約数ペア:

[(1, 31337900), (2, 15668950), (4, 7834475), (5, 6267580), (10, 3133790), (11, 2848900), (20, 1566895), (22, 1424450), (25, 1253516), (31, 1010900), (44, 712225), (50, 626758), (55, 569780), (62, 505450), (100, 313379), (110, 284890), (124, 252725), (155, 202180), (220, 142445), (275, 113956), (310, 101090), (341, 91900), (550, 56978), (620, 50545), (682, 45950), (775, 40436), (919, 34100), (1100, 28489), (1364, 22975), (1550, 20218), (1705, 18380), (1838, 17050), (3100, 10109), (3410, 9190), (3676, 8525), (4595, 6820)]