28754040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{34231}}^1$

素因数の和:34252

約数の個数: 64

約数和(自身を含む): 98588160

約数和(自身を除く): 69834120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 34231, 68462, 102693, 136924, 171155, 205386, 239617, 273848, 342310, 410772, 479234, 513465, 684620, 718851, 821544, 958468, 1026930, 1198085, 1369240, 1437702, 1916936, 2053860, 2396170, 2875404, 3594255, 4107720, 4792340, 5750808, 7188510, 9584680, 14377020, 28754040]

約数ペア:

[(1, 28754040), (2, 14377020), (3, 9584680), (4, 7188510), (5, 5750808), (6, 4792340), (7, 4107720), (8, 3594255), (10, 2875404), (12, 2396170), (14, 2053860), (15, 1916936), (20, 1437702), (21, 1369240), (24, 1198085), (28, 1026930), (30, 958468), (35, 821544), (40, 718851), (42, 684620), (56, 513465), (60, 479234), (70, 410772), (84, 342310), (105, 273848), (120, 239617), (140, 205386), (168, 171155), (210, 136924), (280, 102693), (420, 68462), (840, 34231)]