140204560

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{271}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 339978240

約数和(自身を除く): 199773680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 223, 232, 271, 290, 446, 464, 542, 580, 892, 1084, 1115, 1160, 1355, 1784, 2168, 2230, 2320, 2710, 3568, 4336, 4460, 5420, 6467, 7859, 8920, 10840, 12934, 15718, 17840, 21680, 25868, 31436, 32335, 39295, 51736, 60433, 62872, 64670, 78590, 103472, 120866, 125744, 129340, 157180, 241732, 258680, 302165, 314360, 483464, 517360, 604330, 628720, 966928, 1208660, 1752557, 2417320, 3505114, 4834640, 7010228, 8762785, 14020456, 17525570, 28040912, 35051140, 70102280, 140204560]

約数ペア:

[(1, 140204560), (2, 70102280), (4, 35051140), (5, 28040912), (8, 17525570), (10, 14020456), (16, 8762785), (20, 7010228), (29, 4834640), (40, 3505114), (58, 2417320), (80, 1752557), (116, 1208660), (145, 966928), (223, 628720), (232, 604330), (271, 517360), (290, 483464), (446, 314360), (464, 302165), (542, 258680), (580, 241732), (892, 157180), (1084, 129340), (1115, 125744), (1160, 120866), (1355, 103472), (1784, 78590), (2168, 64670), (2230, 62872), (2320, 60433), (2710, 51736), (3568, 39295), (4336, 32335), (4460, 31436), (5420, 25868), (6467, 21680), (7859, 17840), (8920, 15718), (10840, 12934)]