144832420

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1\times {\mathrm{421}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 309673728

約数和(自身を除く): 164841308

約数列:

[1, 2, 4, 5, 10, 20, 103, 167, 206, 334, 412, 421, 515, 668, 835, 842, 1030, 1670, 1684, 2060, 2105, 3340, 4210, 8420, 17201, 34402, 43363, 68804, 70307, 86005, 86726, 140614, 172010, 173452, 216815, 281228, 344020, 351535, 433630, 703070, 867260, 1406140, 7241621, 14483242, 28966484, 36208105, 72416210, 144832420]

約数ペア:

[(1, 144832420), (2, 72416210), (4, 36208105), (5, 28966484), (10, 14483242), (20, 7241621), (103, 1406140), (167, 867260), (206, 703070), (334, 433630), (412, 351535), (421, 344020), (515, 281228), (668, 216815), (835, 173452), (842, 172010), (1030, 140614), (1670, 86726), (1684, 86005), (2060, 70307), (2105, 68804), (3340, 43363), (4210, 34402), (8420, 17201)]