720565196

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{42901}}^1$

素因数の和:42954

約数の個数: 48

約数和(自身を含む): 1513582560

約数和(自身を除く): 793017364

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 221, 247, 323, 442, 494, 646, 884, 988, 1292, 4199, 8398, 16796, 42901, 85802, 171604, 557713, 729317, 815119, 1115426, 1458634, 1630238, 2230852, 2917268, 3260476, 9481121, 10596547, 13857023, 18962242, 21193094, 27714046, 37924484, 42386188, 55428092, 180141299, 360282598, 720565196]

約数ペア:

[(1, 720565196), (2, 360282598), (4, 180141299), (13, 55428092), (17, 42386188), (19, 37924484), (26, 27714046), (34, 21193094), (38, 18962242), (52, 13857023), (68, 10596547), (76, 9481121), (221, 3260476), (247, 2917268), (323, 2230852), (442, 1630238), (494, 1458634), (646, 1115426), (884, 815119), (988, 729317), (1292, 557713), (4199, 171604), (8398, 85802), (16796, 42901)]