404730170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{34981}}^1$

素因数の和:35090

約数の個数: 32

約数和(自身を含む): 793391760

約数和(自身を除く): 388661590

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 5785, 11570, 34981, 69962, 174905, 349810, 454753, 909506, 2273765, 3113309, 4547530, 6226618, 15566545, 31133090, 40473017, 80946034, 202365085, 404730170]

約数ペア:

[(1, 404730170), (2, 202365085), (5, 80946034), (10, 40473017), (13, 31133090), (26, 15566545), (65, 6226618), (89, 4547530), (130, 3113309), (178, 2273765), (445, 909506), (890, 454753), (1157, 349810), (2314, 174905), (5785, 69962), (11570, 34981)]