13681900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{379}}^1$

素因数の和:431

約数の個数: 54

約数和(自身を含む): 31417260

約数和(自身を除く): 17735360

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 361, 379, 380, 475, 722, 758, 950, 1444, 1516, 1805, 1895, 1900, 3610, 3790, 7201, 7220, 7580, 9025, 9475, 14402, 18050, 18950, 28804, 36005, 36100, 37900, 72010, 136819, 144020, 180025, 273638, 360050, 547276, 684095, 720100, 1368190, 2736380, 3420475, 6840950, 13681900]

約数ペア:

[(1, 13681900), (2, 6840950), (4, 3420475), (5, 2736380), (10, 1368190), (19, 720100), (20, 684095), (25, 547276), (38, 360050), (50, 273638), (76, 180025), (95, 144020), (100, 136819), (190, 72010), (361, 37900), (379, 36100), (380, 36005), (475, 28804), (722, 18950), (758, 18050), (950, 14402), (1444, 9475), (1516, 9025), (1805, 7580), (1895, 7220), (1900, 7201), (3610, 3790)]