28121060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 69818112

約数和(自身を除く): 41697052

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 73, 85, 103, 110, 146, 170, 187, 206, 220, 292, 340, 365, 374, 412, 515, 730, 748, 803, 935, 1030, 1133, 1241, 1460, 1606, 1751, 1870, 2060, 2266, 2482, 3212, 3502, 3740, 4015, 4532, 4964, 5665, 6205, 7004, 7519, 8030, 8755, 11330, 12410, 13651, 15038, 16060, 17510, 19261, 22660, 24820, 27302, 30076, 35020, 37595, 38522, 54604, 68255, 75190, 77044, 82709, 96305, 127823, 136510, 150380, 165418, 192610, 255646, 273020, 330836, 385220, 413545, 511292, 639115, 827090, 1278230, 1406053, 1654180, 2556460, 2812106, 5624212, 7030265, 14060530, 28121060]

約数ペア:

[(1, 28121060), (2, 14060530), (4, 7030265), (5, 5624212), (10, 2812106), (11, 2556460), (17, 1654180), (20, 1406053), (22, 1278230), (34, 827090), (44, 639115), (55, 511292), (68, 413545), (73, 385220), (85, 330836), (103, 273020), (110, 255646), (146, 192610), (170, 165418), (187, 150380), (206, 136510), (220, 127823), (292, 96305), (340, 82709), (365, 77044), (374, 75190), (412, 68255), (515, 54604), (730, 38522), (748, 37595), (803, 35020), (935, 30076), (1030, 27302), (1133, 24820), (1241, 22660), (1460, 19261), (1606, 17510), (1751, 16060), (1870, 15038), (2060, 13651), (2266, 12410), (2482, 11330), (3212, 8755), (3502, 8030), (3740, 7519), (4015, 7004), (4532, 6205), (4964, 5665)]