29818280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 70156800

約数和(自身を除く): 40338520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 139, 155, 173, 248, 278, 310, 346, 556, 620, 692, 695, 865, 1112, 1240, 1384, 1390, 1730, 2780, 3460, 4309, 5363, 5560, 6920, 8618, 10726, 17236, 21452, 21545, 24047, 26815, 34472, 42904, 43090, 48094, 53630, 86180, 96188, 107260, 120235, 172360, 192376, 214520, 240470, 480940, 745457, 961880, 1490914, 2981828, 3727285, 5963656, 7454570, 14909140, 29818280]

約数ペア:

[(1, 29818280), (2, 14909140), (4, 7454570), (5, 5963656), (8, 3727285), (10, 2981828), (20, 1490914), (31, 961880), (40, 745457), (62, 480940), (124, 240470), (139, 214520), (155, 192376), (173, 172360), (248, 120235), (278, 107260), (310, 96188), (346, 86180), (556, 53630), (620, 48094), (692, 43090), (695, 42904), (865, 34472), (1112, 26815), (1240, 24047), (1384, 21545), (1390, 21452), (1730, 17236), (2780, 10726), (3460, 8618), (4309, 6920), (5363, 5560)]