2221480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:146

約数の個数: 64

約数和(自身を含む): 5472000

約数和(自身を除く): 3250520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 79, 95, 148, 152, 158, 185, 190, 296, 316, 370, 380, 395, 632, 703, 740, 760, 790, 1406, 1480, 1501, 1580, 2812, 2923, 3002, 3160, 3515, 5624, 5846, 6004, 7030, 7505, 11692, 12008, 14060, 14615, 15010, 23384, 28120, 29230, 30020, 55537, 58460, 60040, 111074, 116920, 222148, 277685, 444296, 555370, 1110740, 2221480]

約数ペア:

[(1, 2221480), (2, 1110740), (4, 555370), (5, 444296), (8, 277685), (10, 222148), (19, 116920), (20, 111074), (37, 60040), (38, 58460), (40, 55537), (74, 30020), (76, 29230), (79, 28120), (95, 23384), (148, 15010), (152, 14615), (158, 14060), (185, 12008), (190, 11692), (296, 7505), (316, 7030), (370, 6004), (380, 5846), (395, 5624), (632, 3515), (703, 3160), (740, 3002), (760, 2923), (790, 2812), (1406, 1580), (1480, 1501)]