208292715

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1$

素因数の和:478

約数の個数: 80

約数和(自身を含む): 397267200

約数和(自身を除く): 188974485

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 59, 69, 81, 115, 135, 177, 207, 295, 345, 379, 405, 531, 621, 885, 1035, 1137, 1357, 1593, 1863, 1895, 2655, 3105, 3411, 4071, 4779, 5685, 6785, 7965, 8717, 9315, 10233, 12213, 17055, 20355, 22361, 23895, 26151, 30699, 36639, 43585, 51165, 61065, 67083, 78453, 109917, 111805, 130755, 153495, 183195, 201249, 235359, 335415, 392265, 514303, 549585, 603747, 706077, 1006245, 1176795, 1542909, 1811241, 2571515, 3018735, 3530385, 4628727, 7714545, 9056205, 13886181, 23143635, 41658543, 69430905, 208292715]

約数ペア:

[(1, 208292715), (3, 69430905), (5, 41658543), (9, 23143635), (15, 13886181), (23, 9056205), (27, 7714545), (45, 4628727), (59, 3530385), (69, 3018735), (81, 2571515), (115, 1811241), (135, 1542909), (177, 1176795), (207, 1006245), (295, 706077), (345, 603747), (379, 549585), (405, 514303), (531, 392265), (621, 335415), (885, 235359), (1035, 201249), (1137, 183195), (1357, 153495), (1593, 130755), (1863, 111805), (1895, 109917), (2655, 78453), (3105, 67083), (3411, 61065), (4071, 51165), (4779, 43585), (5685, 36639), (6785, 30699), (7965, 26151), (8717, 23895), (9315, 22361), (10233, 20355), (12213, 17055)]