1651100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:123

約数の個数: 72

約数和(自身を含む): 4166400

約数和(自身を除く): 2515300

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 79, 95, 100, 110, 158, 190, 209, 220, 275, 316, 380, 395, 418, 475, 550, 790, 836, 869, 950, 1045, 1100, 1501, 1580, 1738, 1900, 1975, 2090, 3002, 3476, 3950, 4180, 4345, 5225, 6004, 7505, 7900, 8690, 10450, 15010, 16511, 17380, 20900, 21725, 30020, 33022, 37525, 43450, 66044, 75050, 82555, 86900, 150100, 165110, 330220, 412775, 825550, 1651100]

約数ペア:

[(1, 1651100), (2, 825550), (4, 412775), (5, 330220), (10, 165110), (11, 150100), (19, 86900), (20, 82555), (22, 75050), (25, 66044), (38, 43450), (44, 37525), (50, 33022), (55, 30020), (76, 21725), (79, 20900), (95, 17380), (100, 16511), (110, 15010), (158, 10450), (190, 8690), (209, 7900), (220, 7505), (275, 6004), (316, 5225), (380, 4345), (395, 4180), (418, 3950), (475, 3476), (550, 3002), (790, 2090), (836, 1975), (869, 1900), (950, 1738), (1045, 1580), (1100, 1501)]