13919000

素因数分解:

$2^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:501

約数の個数: 64

約数和(自身を含む): 33696000

約数和(自身を除く): 19777000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 310, 449, 500, 620, 775, 898, 1000, 1240, 1550, 1796, 2245, 3100, 3592, 3875, 4490, 6200, 7750, 8980, 11225, 13919, 15500, 17960, 22450, 27838, 31000, 44900, 55676, 56125, 69595, 89800, 111352, 112250, 139190, 224500, 278380, 347975, 449000, 556760, 695950, 1391900, 1739875, 2783800, 3479750, 6959500, 13919000]

約数ペア:

[(1, 13919000), (2, 6959500), (4, 3479750), (5, 2783800), (8, 1739875), (10, 1391900), (20, 695950), (25, 556760), (31, 449000), (40, 347975), (50, 278380), (62, 224500), (100, 139190), (124, 112250), (125, 111352), (155, 89800), (200, 69595), (248, 56125), (250, 55676), (310, 44900), (449, 31000), (500, 27838), (620, 22450), (775, 17960), (898, 15500), (1000, 13919), (1240, 11225), (1550, 8980), (1796, 7750), (2245, 6200), (3100, 4490), (3592, 3875)]