1920490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:127

約数の個数: 64

約数和(自身を含む): 4354560

約数和(自身を除く): 2434070

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 55, 65, 79, 85, 110, 130, 143, 158, 170, 187, 221, 286, 374, 395, 442, 715, 790, 869, 935, 1027, 1105, 1343, 1430, 1738, 1870, 2054, 2210, 2431, 2686, 4345, 4862, 5135, 6715, 8690, 10270, 11297, 12155, 13430, 14773, 17459, 22594, 24310, 29546, 34918, 56485, 73865, 87295, 112970, 147730, 174590, 192049, 384098, 960245, 1920490]

約数ペア:

[(1, 1920490), (2, 960245), (5, 384098), (10, 192049), (11, 174590), (13, 147730), (17, 112970), (22, 87295), (26, 73865), (34, 56485), (55, 34918), (65, 29546), (79, 24310), (85, 22594), (110, 17459), (130, 14773), (143, 13430), (158, 12155), (170, 11297), (187, 10270), (221, 8690), (286, 6715), (374, 5135), (395, 4862), (442, 4345), (715, 2686), (790, 2431), (869, 2210), (935, 2054), (1027, 1870), (1105, 1738), (1343, 1430)]