1894100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 4666368

約数和(自身を除く): 2772268

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 47, 50, 52, 62, 65, 94, 100, 124, 130, 155, 188, 235, 260, 310, 325, 403, 470, 611, 620, 650, 775, 806, 940, 1175, 1222, 1300, 1457, 1550, 1612, 2015, 2350, 2444, 2914, 3055, 3100, 4030, 4700, 5828, 6110, 7285, 8060, 10075, 12220, 14570, 15275, 18941, 20150, 29140, 30550, 36425, 37882, 40300, 61100, 72850, 75764, 94705, 145700, 189410, 378820, 473525, 947050, 1894100]

約数ペア:

[(1, 1894100), (2, 947050), (4, 473525), (5, 378820), (10, 189410), (13, 145700), (20, 94705), (25, 75764), (26, 72850), (31, 61100), (47, 40300), (50, 37882), (52, 36425), (62, 30550), (65, 29140), (94, 20150), (100, 18941), (124, 15275), (130, 14570), (155, 12220), (188, 10075), (235, 8060), (260, 7285), (310, 6110), (325, 5828), (403, 4700), (470, 4030), (611, 3100), (620, 3055), (650, 2914), (775, 2444), (806, 2350), (940, 2015), (1175, 1612), (1222, 1550), (1300, 1457)]