16816900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 39372480

約数和(自身を除く): 22555580

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 53, 76, 95, 100, 106, 167, 190, 212, 265, 334, 380, 475, 530, 668, 835, 950, 1007, 1060, 1325, 1670, 1900, 2014, 2650, 3173, 3340, 4028, 4175, 5035, 5300, 6346, 8350, 8851, 10070, 12692, 15865, 16700, 17702, 20140, 25175, 31730, 35404, 44255, 50350, 63460, 79325, 88510, 100700, 158650, 168169, 177020, 221275, 317300, 336338, 442550, 672676, 840845, 885100, 1681690, 3363380, 4204225, 8408450, 16816900]

約数ペア:

[(1, 16816900), (2, 8408450), (4, 4204225), (5, 3363380), (10, 1681690), (19, 885100), (20, 840845), (25, 672676), (38, 442550), (50, 336338), (53, 317300), (76, 221275), (95, 177020), (100, 168169), (106, 158650), (167, 100700), (190, 88510), (212, 79325), (265, 63460), (334, 50350), (380, 44255), (475, 35404), (530, 31730), (668, 25175), (835, 20140), (950, 17702), (1007, 16700), (1060, 15865), (1325, 12692), (1670, 10070), (1900, 8851), (2014, 8350), (2650, 6346), (3173, 5300), (3340, 5035), (4028, 4175)]