400830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:472

約数の個数: 32

約数和(自身を含む): 995328

約数和(自身を除く): 594498

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 431, 465, 862, 930, 1293, 2155, 2586, 4310, 6465, 12930, 13361, 26722, 40083, 66805, 80166, 133610, 200415, 400830]

約数ペア:

[(1, 400830), (2, 200415), (3, 133610), (5, 80166), (6, 66805), (10, 40083), (15, 26722), (30, 13361), (31, 12930), (62, 6465), (93, 4310), (155, 2586), (186, 2155), (310, 1293), (431, 930), (465, 862)]