130221455

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 203212800

約数和(自身を除く): 72991345

約数列:

[1, 5, 7, 13, 29, 35, 65, 71, 91, 139, 145, 203, 355, 377, 455, 497, 695, 923, 973, 1015, 1807, 1885, 2059, 2485, 2639, 4031, 4615, 4865, 6461, 9035, 9869, 10295, 12649, 13195, 14413, 20155, 26767, 28217, 32305, 49345, 52403, 63245, 69083, 72065, 128297, 133835, 141085, 187369, 262015, 286201, 345415, 366821, 641485, 898079, 936845, 1431005, 1834105, 2003407, 3720613, 4490395, 10017035, 18603065, 26044291, 130221455]

約数ペア:

[(1, 130221455), (5, 26044291), (7, 18603065), (13, 10017035), (29, 4490395), (35, 3720613), (65, 2003407), (71, 1834105), (91, 1431005), (139, 936845), (145, 898079), (203, 641485), (355, 366821), (377, 345415), (455, 286201), (497, 262015), (695, 187369), (923, 141085), (973, 133835), (1015, 128297), (1807, 72065), (1885, 69083), (2059, 63245), (2485, 52403), (2639, 49345), (4031, 32305), (4615, 28217), (4865, 26767), (6461, 20155), (9035, 14413), (9869, 13195), (10295, 12649)]