90469780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{3559}}^1$

素因数の和:3640

約数の個数: 48

約数和(自身を含む): 200954880

約数和(自身を除く): 110485100

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1271, 2542, 3559, 5084, 6355, 7118, 12710, 14236, 17795, 25420, 35590, 71180, 110329, 145919, 220658, 291838, 441316, 551645, 583676, 729595, 1103290, 1459190, 2206580, 2918380, 4523489, 9046978, 18093956, 22617445, 45234890, 90469780]

約数ペア:

[(1, 90469780), (2, 45234890), (4, 22617445), (5, 18093956), (10, 9046978), (20, 4523489), (31, 2918380), (41, 2206580), (62, 1459190), (82, 1103290), (124, 729595), (155, 583676), (164, 551645), (205, 441316), (310, 291838), (410, 220658), (620, 145919), (820, 110329), (1271, 71180), (2542, 35590), (3559, 25420), (5084, 17795), (6355, 14236), (7118, 12710)]