2019993640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{491}}^1\times {\mathrm{2099}}^1$

素因数の和:2615

約数の個数: 96

約数和(自身を含む): 5300316000

約数和(自身を除く): 3280322360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 491, 980, 982, 1960, 1964, 2099, 2455, 3437, 3928, 4198, 4910, 6874, 8396, 9820, 10495, 13748, 14693, 16792, 17185, 19640, 20990, 24059, 27496, 29386, 34370, 41980, 48118, 58772, 68740, 73465, 83960, 96236, 102851, 117544, 120295, 137480, 146930, 192472, 205702, 240590, 293860, 411404, 481180, 514255, 587720, 822808, 962360, 1028510, 1030609, 2057020, 2061218, 4114040, 4122436, 5153045, 7214263, 8244872, 10306090, 14428526, 20612180, 28857052, 36071315, 41224360, 50499841, 57714104, 72142630, 100999682, 144285260, 201999364, 252499205, 288570520, 403998728, 504998410, 1009996820, 2019993640]

約数ペア:

[(1, 2019993640), (2, 1009996820), (4, 504998410), (5, 403998728), (7, 288570520), (8, 252499205), (10, 201999364), (14, 144285260), (20, 100999682), (28, 72142630), (35, 57714104), (40, 50499841), (49, 41224360), (56, 36071315), (70, 28857052), (98, 20612180), (140, 14428526), (196, 10306090), (245, 8244872), (280, 7214263), (392, 5153045), (490, 4122436), (491, 4114040), (980, 2061218), (982, 2057020), (1960, 1030609), (1964, 1028510), (2099, 962360), (2455, 822808), (3437, 587720), (3928, 514255), (4198, 481180), (4910, 411404), (6874, 293860), (8396, 240590), (9820, 205702), (10495, 192472), (13748, 146930), (14693, 137480), (16792, 120295), (17185, 117544), (19640, 102851), (20990, 96236), (24059, 83960), (27496, 73465), (29386, 68740), (34370, 58772), (41980, 48118)]