257773720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{2767}}^1$

素因数の和:2932

約数の個数: 64

約数和(自身を含む): 618814080

約数和(自身を除く): 361040360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 137, 170, 274, 340, 548, 680, 685, 1096, 1370, 2329, 2740, 2767, 4658, 5480, 5534, 9316, 11068, 11645, 13835, 18632, 22136, 23290, 27670, 46580, 47039, 55340, 93160, 94078, 110680, 188156, 235195, 376312, 379079, 470390, 758158, 940780, 1516316, 1881560, 1895395, 3032632, 3790790, 6444343, 7581580, 12888686, 15163160, 25777372, 32221715, 51554744, 64443430, 128886860, 257773720]

約数ペア:

[(1, 257773720), (2, 128886860), (4, 64443430), (5, 51554744), (8, 32221715), (10, 25777372), (17, 15163160), (20, 12888686), (34, 7581580), (40, 6444343), (68, 3790790), (85, 3032632), (136, 1895395), (137, 1881560), (170, 1516316), (274, 940780), (340, 758158), (548, 470390), (680, 379079), (685, 376312), (1096, 235195), (1370, 188156), (2329, 110680), (2740, 94078), (2767, 93160), (4658, 55340), (5480, 47039), (5534, 46580), (9316, 27670), (11068, 23290), (11645, 22136), (13835, 18632)]