145413820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{911}}^1$

素因数の和:1290

約数の個数: 48

約数和(自身を含む): 319915008

約数和(自身を除く): 174501188

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 347, 460, 694, 911, 1388, 1735, 1822, 3470, 3644, 4555, 6940, 7981, 9110, 15962, 18220, 20953, 31924, 39905, 41906, 79810, 83812, 104765, 159620, 209530, 316117, 419060, 632234, 1264468, 1580585, 3161170, 6322340, 7270691, 14541382, 29082764, 36353455, 72706910, 145413820]

約数ペア:

[(1, 145413820), (2, 72706910), (4, 36353455), (5, 29082764), (10, 14541382), (20, 7270691), (23, 6322340), (46, 3161170), (92, 1580585), (115, 1264468), (230, 632234), (347, 419060), (460, 316117), (694, 209530), (911, 159620), (1388, 104765), (1735, 83812), (1822, 79810), (3470, 41906), (3644, 39905), (4555, 31924), (6940, 20953), (7981, 18220), (9110, 15962)]