8745320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 21340800

約数和(自身を除く): 12595480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 311, 370, 380, 622, 703, 740, 760, 1244, 1406, 1480, 1555, 2488, 2812, 3110, 3515, 5624, 5909, 6220, 7030, 11507, 11818, 12440, 14060, 23014, 23636, 28120, 29545, 46028, 47272, 57535, 59090, 92056, 115070, 118180, 218633, 230140, 236360, 437266, 460280, 874532, 1093165, 1749064, 2186330, 4372660, 8745320]

約数ペア:

[(1, 8745320), (2, 4372660), (4, 2186330), (5, 1749064), (8, 1093165), (10, 874532), (19, 460280), (20, 437266), (37, 236360), (38, 230140), (40, 218633), (74, 118180), (76, 115070), (95, 92056), (148, 59090), (152, 57535), (185, 47272), (190, 46028), (296, 29545), (311, 28120), (370, 23636), (380, 23014), (622, 14060), (703, 12440), (740, 11818), (760, 11507), (1244, 7030), (1406, 6220), (1480, 5909), (1555, 5624), (2488, 3515), (2812, 3110)]