290872010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1901}}^1$

素因数の和:2039

約数の個数: 64

約数和(自身を含む): 621177984

約数和(自身を除く): 330305974

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 107, 110, 130, 143, 214, 286, 535, 715, 1070, 1177, 1391, 1430, 1901, 2354, 2782, 3802, 5885, 6955, 9505, 11770, 13910, 15301, 19010, 20911, 24713, 30602, 41822, 49426, 76505, 104555, 123565, 153010, 203407, 209110, 247130, 271843, 406814, 543686, 1017035, 1359215, 2034070, 2237477, 2644291, 2718430, 4474954, 5288582, 11187385, 13221455, 22374770, 26442910, 29087201, 58174402, 145436005, 290872010]

約数ペア:

[(1, 290872010), (2, 145436005), (5, 58174402), (10, 29087201), (11, 26442910), (13, 22374770), (22, 13221455), (26, 11187385), (55, 5288582), (65, 4474954), (107, 2718430), (110, 2644291), (130, 2237477), (143, 2034070), (214, 1359215), (286, 1017035), (535, 543686), (715, 406814), (1070, 271843), (1177, 247130), (1391, 209110), (1430, 203407), (1901, 153010), (2354, 123565), (2782, 104555), (3802, 76505), (5885, 49426), (6955, 41822), (9505, 30602), (11770, 24713), (13910, 20911), (15301, 19010)]