280808410

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{8543}}^1$

素因数の和:8742

約数の個数: 32

約数和(自身を含む): 535196160

約数和(自身を除く): 254387750

約数列:

[1, 2, 5, 10, 19, 38, 95, 173, 190, 346, 865, 1730, 3287, 6574, 8543, 16435, 17086, 32870, 42715, 85430, 162317, 324634, 811585, 1477939, 1623170, 2955878, 7389695, 14779390, 28080841, 56161682, 140404205, 280808410]

約数ペア:

[(1, 280808410), (2, 140404205), (5, 56161682), (10, 28080841), (19, 14779390), (38, 7389695), (95, 2955878), (173, 1623170), (190, 1477939), (346, 811585), (865, 324634), (1730, 162317), (3287, 85430), (6574, 42715), (8543, 32870), (16435, 17086)]