145565620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{4457}}^1$

素因数の和:4560

約数の個数: 48

約数和(自身を含む): 323543808

約数和(自身を除く): 177978188

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 142, 230, 284, 355, 460, 710, 1420, 1633, 3266, 4457, 6532, 8165, 8914, 16330, 17828, 22285, 32660, 44570, 89140, 102511, 205022, 316447, 410044, 512555, 632894, 1025110, 1265788, 1582235, 2050220, 3164470, 6328940, 7278281, 14556562, 29113124, 36391405, 72782810, 145565620]

約数ペア:

[(1, 145565620), (2, 72782810), (4, 36391405), (5, 29113124), (10, 14556562), (20, 7278281), (23, 6328940), (46, 3164470), (71, 2050220), (92, 1582235), (115, 1265788), (142, 1025110), (230, 632894), (284, 512555), (355, 410044), (460, 316447), (710, 205022), (1420, 102511), (1633, 89140), (3266, 44570), (4457, 32660), (6532, 22285), (8165, 17828), (8914, 16330)]