409188420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{5669}}^1$

素因数の和:6085

約数の個数: 72

約数和(自身を含む): 1244519640

約数和(自身を除く): 835331220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 401, 802, 1203, 1604, 2005, 2406, 3609, 4010, 4812, 5669, 6015, 7218, 8020, 11338, 12030, 14436, 17007, 18045, 22676, 24060, 28345, 34014, 36090, 51021, 56690, 68028, 72180, 85035, 102042, 113380, 170070, 204084, 255105, 340140, 510210, 1020420, 2273269, 4546538, 6819807, 9093076, 11366345, 13639614, 20459421, 22732690, 27279228, 34099035, 40918842, 45465380, 68198070, 81837684, 102297105, 136396140, 204594210, 409188420]

約数ペア:

[(1, 409188420), (2, 204594210), (3, 136396140), (4, 102297105), (5, 81837684), (6, 68198070), (9, 45465380), (10, 40918842), (12, 34099035), (15, 27279228), (18, 22732690), (20, 20459421), (30, 13639614), (36, 11366345), (45, 9093076), (60, 6819807), (90, 4546538), (180, 2273269), (401, 1020420), (802, 510210), (1203, 340140), (1604, 255105), (2005, 204084), (2406, 170070), (3609, 113380), (4010, 102042), (4812, 85035), (5669, 72180), (6015, 68028), (7218, 56690), (8020, 51021), (11338, 36090), (12030, 34014), (14436, 28345), (17007, 24060), (18045, 22676)]