2530220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:111

約数の個数: 96

約数和(自身を含む): 6967296

約数和(自身を除く): 4437076

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 53, 55, 62, 70, 77, 106, 110, 124, 140, 154, 155, 212, 217, 220, 265, 308, 310, 341, 371, 385, 434, 530, 583, 620, 682, 742, 770, 868, 1060, 1085, 1166, 1364, 1484, 1540, 1643, 1705, 1855, 2170, 2332, 2387, 2915, 3286, 3410, 3710, 4081, 4340, 4774, 5830, 6572, 6820, 7420, 8162, 8215, 9548, 11501, 11660, 11935, 16324, 16430, 18073, 20405, 23002, 23870, 32860, 36146, 40810, 46004, 47740, 57505, 72292, 81620, 90365, 115010, 126511, 180730, 230020, 253022, 361460, 506044, 632555, 1265110, 2530220]

約数ペア:

[(1, 2530220), (2, 1265110), (4, 632555), (5, 506044), (7, 361460), (10, 253022), (11, 230020), (14, 180730), (20, 126511), (22, 115010), (28, 90365), (31, 81620), (35, 72292), (44, 57505), (53, 47740), (55, 46004), (62, 40810), (70, 36146), (77, 32860), (106, 23870), (110, 23002), (124, 20405), (140, 18073), (154, 16430), (155, 16324), (212, 11935), (217, 11660), (220, 11501), (265, 9548), (308, 8215), (310, 8162), (341, 7420), (371, 6820), (385, 6572), (434, 5830), (530, 4774), (583, 4340), (620, 4081), (682, 3710), (742, 3410), (770, 3286), (868, 2915), (1060, 2387), (1085, 2332), (1166, 2170), (1364, 1855), (1484, 1705), (1540, 1643)]