1856680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:386

約数の個数: 64

約数和(自身を含む): 5040000

約数和(自身を除く): 3183320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 349, 380, 532, 665, 698, 760, 1064, 1330, 1396, 1745, 2443, 2660, 2792, 3490, 4886, 5320, 6631, 6980, 9772, 12215, 13262, 13960, 19544, 24430, 26524, 33155, 46417, 48860, 53048, 66310, 92834, 97720, 132620, 185668, 232085, 265240, 371336, 464170, 928340, 1856680]

約数ペア:

[(1, 1856680), (2, 928340), (4, 464170), (5, 371336), (7, 265240), (8, 232085), (10, 185668), (14, 132620), (19, 97720), (20, 92834), (28, 66310), (35, 53048), (38, 48860), (40, 46417), (56, 33155), (70, 26524), (76, 24430), (95, 19544), (133, 13960), (140, 13262), (152, 12215), (190, 9772), (266, 6980), (280, 6631), (349, 5320), (380, 4886), (532, 3490), (665, 2792), (698, 2660), (760, 2443), (1064, 1745), (1330, 1396)]