7701820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:323

約数の個数: 72

約数和(自身を含む): 19535040

約数和(自身を除く): 11833220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 271, 290, 406, 490, 542, 580, 812, 980, 1015, 1084, 1355, 1421, 1897, 2030, 2710, 2842, 3794, 4060, 5420, 5684, 7105, 7588, 7859, 9485, 13279, 14210, 15718, 18970, 26558, 28420, 31436, 37940, 39295, 53116, 55013, 66395, 78590, 110026, 132790, 157180, 220052, 265580, 275065, 385091, 550130, 770182, 1100260, 1540364, 1925455, 3850910, 7701820]

約数ペア:

[(1, 7701820), (2, 3850910), (4, 1925455), (5, 1540364), (7, 1100260), (10, 770182), (14, 550130), (20, 385091), (28, 275065), (29, 265580), (35, 220052), (49, 157180), (58, 132790), (70, 110026), (98, 78590), (116, 66395), (140, 55013), (145, 53116), (196, 39295), (203, 37940), (245, 31436), (271, 28420), (290, 26558), (406, 18970), (490, 15718), (542, 14210), (580, 13279), (812, 9485), (980, 7859), (1015, 7588), (1084, 7105), (1355, 5684), (1421, 5420), (1897, 4060), (2030, 3794), (2710, 2842)]