29991390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6991}}^1$

素因数の和:7025

約数の個数: 64

約数和(自身を含む): 84575232

約数和(自身を除く): 54583842

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 429, 715, 858, 1430, 2145, 4290, 6991, 13982, 20973, 34955, 41946, 69910, 76901, 90883, 104865, 153802, 181766, 209730, 230703, 272649, 384505, 454415, 461406, 545298, 769010, 908830, 999713, 1153515, 1363245, 1999426, 2307030, 2726490, 2999139, 4998565, 5998278, 9997130, 14995695, 29991390]

約数ペア:

[(1, 29991390), (2, 14995695), (3, 9997130), (5, 5998278), (6, 4998565), (10, 2999139), (11, 2726490), (13, 2307030), (15, 1999426), (22, 1363245), (26, 1153515), (30, 999713), (33, 908830), (39, 769010), (55, 545298), (65, 461406), (66, 454415), (78, 384505), (110, 272649), (130, 230703), (143, 209730), (165, 181766), (195, 153802), (286, 104865), (330, 90883), (390, 76901), (429, 69910), (715, 41946), (858, 34955), (1430, 20973), (2145, 13982), (4290, 6991)]