887462420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1069}}^1$

素因数の和:1225

約数の個数: 96

約数和(自身を含む): 2093844480

約数和(自身を除く): 1206382060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 103, 124, 130, 155, 206, 260, 310, 403, 412, 515, 620, 806, 1030, 1069, 1339, 1612, 2015, 2060, 2138, 2678, 3193, 4030, 4276, 5345, 5356, 6386, 6695, 8060, 10690, 12772, 13390, 13897, 15965, 21380, 26780, 27794, 31930, 33139, 41509, 55588, 63860, 66278, 69485, 83018, 110107, 132556, 138970, 165695, 166036, 207545, 220214, 277940, 331390, 415090, 430807, 440428, 550535, 662780, 830180, 861614, 1101070, 1431391, 1723228, 2154035, 2202140, 2862782, 3413317, 4308070, 5725564, 6826634, 7156955, 8616140, 13653268, 14313910, 17066585, 28627820, 34133170, 44373121, 68266340, 88746242, 177492484, 221865605, 443731210, 887462420]

約数ペア:

[(1, 887462420), (2, 443731210), (4, 221865605), (5, 177492484), (10, 88746242), (13, 68266340), (20, 44373121), (26, 34133170), (31, 28627820), (52, 17066585), (62, 14313910), (65, 13653268), (103, 8616140), (124, 7156955), (130, 6826634), (155, 5725564), (206, 4308070), (260, 3413317), (310, 2862782), (403, 2202140), (412, 2154035), (515, 1723228), (620, 1431391), (806, 1101070), (1030, 861614), (1069, 830180), (1339, 662780), (1612, 550535), (2015, 440428), (2060, 430807), (2138, 415090), (2678, 331390), (3193, 277940), (4030, 220214), (4276, 207545), (5345, 166036), (5356, 165695), (6386, 138970), (6695, 132556), (8060, 110107), (10690, 83018), (12772, 69485), (13390, 66278), (13897, 63860), (15965, 55588), (21380, 41509), (26780, 33139), (27794, 31930)]