1260220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 2949408

約数和(自身を除く): 1689188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 131, 148, 185, 260, 262, 370, 481, 524, 655, 740, 962, 1310, 1703, 1924, 2405, 2620, 3406, 4810, 4847, 6812, 8515, 9620, 9694, 17030, 19388, 24235, 34060, 48470, 63011, 96940, 126022, 252044, 315055, 630110, 1260220]

約数ペア:

[(1, 1260220), (2, 630110), (4, 315055), (5, 252044), (10, 126022), (13, 96940), (20, 63011), (26, 48470), (37, 34060), (52, 24235), (65, 19388), (74, 17030), (130, 9694), (131, 9620), (148, 8515), (185, 6812), (260, 4847), (262, 4810), (370, 3406), (481, 2620), (524, 2405), (655, 1924), (740, 1703), (962, 1310)]