28841780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4229}}^1$

素因数の和:4280

約数の個数: 48

約数和(自身を含む): 68221440

約数和(自身を除く): 39379660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 4229, 6820, 8458, 16916, 21145, 42290, 46519, 84580, 93038, 131099, 186076, 232595, 262198, 465190, 524396, 655495, 930380, 1310990, 1442089, 2621980, 2884178, 5768356, 7210445, 14420890, 28841780]

約数ペア:

[(1, 28841780), (2, 14420890), (4, 7210445), (5, 5768356), (10, 2884178), (11, 2621980), (20, 1442089), (22, 1310990), (31, 930380), (44, 655495), (55, 524396), (62, 465190), (110, 262198), (124, 232595), (155, 186076), (220, 131099), (310, 93038), (341, 84580), (620, 46519), (682, 42290), (1364, 21145), (1705, 16916), (3410, 8458), (4229, 6820)]