201619499540

素因数分解:

$2^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{1627}}^1\times {\mathrm{7873}}^1$

素因数の和:10296

約数の個数: 48

約数和(自身を含む): 424253387712

約数和(自身を除く): 222633888172

約数列:

[1, 2, 4, 5, 10, 20, 787, 1574, 1627, 3148, 3254, 3935, 6508, 7870, 7873, 8135, 15740, 15746, 16270, 31492, 32540, 39365, 78730, 157460, 1280449, 2560898, 5121796, 6196051, 6402245, 12392102, 12804490, 12809371, 24784204, 25608980, 25618742, 30980255, 51237484, 61960510, 64046855, 123921020, 128093710, 256187420, 10080974977, 20161949954, 40323899908, 50404874885, 100809749770, 201619499540]

約数ペア:

[(1, 201619499540), (2, 100809749770), (4, 50404874885), (5, 40323899908), (10, 20161949954), (20, 10080974977), (787, 256187420), (1574, 128093710), (1627, 123921020), (3148, 64046855), (3254, 61960510), (3935, 51237484), (6508, 30980255), (7870, 25618742), (7873, 25608980), (8135, 24784204), (15740, 12809371), (15746, 12804490), (16270, 12392102), (31492, 6402245), (32540, 6196051), (39365, 5121796), (78730, 2560898), (157460, 1280449)]