2108620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 4838400

約数和(自身を除く): 2729780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 179, 190, 310, 358, 380, 589, 620, 716, 895, 1178, 1790, 2356, 2945, 3401, 3580, 5549, 5890, 6802, 11098, 11780, 13604, 17005, 22196, 27745, 34010, 55490, 68020, 105431, 110980, 210862, 421724, 527155, 1054310, 2108620]

約数ペア:

[(1, 2108620), (2, 1054310), (4, 527155), (5, 421724), (10, 210862), (19, 110980), (20, 105431), (31, 68020), (38, 55490), (62, 34010), (76, 27745), (95, 22196), (124, 17005), (155, 13604), (179, 11780), (190, 11098), (310, 6802), (358, 5890), (380, 5549), (589, 3580), (620, 3401), (716, 2945), (895, 2356), (1178, 1790)]