205208360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2269}}^1$

素因数の和:2323

約数の個数: 128

約数和(自身を含む): 588384000

約数和(自身を除く): 383175640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 85, 95, 119, 133, 136, 140, 152, 170, 190, 238, 266, 280, 323, 340, 380, 476, 532, 595, 646, 665, 680, 760, 952, 1064, 1190, 1292, 1330, 1615, 2261, 2269, 2380, 2584, 2660, 3230, 4522, 4538, 4760, 5320, 6460, 9044, 9076, 11305, 11345, 12920, 15883, 18088, 18152, 22610, 22690, 31766, 38573, 43111, 45220, 45380, 63532, 77146, 79415, 86222, 90440, 90760, 127064, 154292, 158830, 172444, 192865, 215555, 270011, 301777, 308584, 317660, 344888, 385730, 431110, 540022, 603554, 635320, 732887, 771460, 862220, 1080044, 1207108, 1350055, 1465774, 1508885, 1542920, 1724440, 2160088, 2414216, 2700110, 2931548, 3017770, 3664435, 5130209, 5400220, 5863096, 6035540, 7328870, 10260418, 10800440, 12071080, 14657740, 20520836, 25651045, 29315480, 41041672, 51302090, 102604180, 205208360]

約数ペア:

[(1, 205208360), (2, 102604180), (4, 51302090), (5, 41041672), (7, 29315480), (8, 25651045), (10, 20520836), (14, 14657740), (17, 12071080), (19, 10800440), (20, 10260418), (28, 7328870), (34, 6035540), (35, 5863096), (38, 5400220), (40, 5130209), (56, 3664435), (68, 3017770), (70, 2931548), (76, 2700110), (85, 2414216), (95, 2160088), (119, 1724440), (133, 1542920), (136, 1508885), (140, 1465774), (152, 1350055), (170, 1207108), (190, 1080044), (238, 862220), (266, 771460), (280, 732887), (323, 635320), (340, 603554), (380, 540022), (476, 431110), (532, 385730), (595, 344888), (646, 317660), (665, 308584), (680, 301777), (760, 270011), (952, 215555), (1064, 192865), (1190, 172444), (1292, 158830), (1330, 154292), (1615, 127064), (2261, 90760), (2269, 90440), (2380, 86222), (2584, 79415), (2660, 77146), (3230, 63532), (4522, 45380), (4538, 45220), (4760, 43111), (5320, 38573), (6460, 31766), (9044, 22690), (9076, 22610), (11305, 18152), (11345, 18088), (12920, 15883)]