81190550

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1069}}^1$

素因数の和:1126

約数の個数: 72

約数和(自身を含む): 181506240

約数和(自身を除く): 100315690

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 49, 50, 62, 70, 98, 155, 175, 217, 245, 310, 350, 434, 490, 775, 1069, 1085, 1225, 1519, 1550, 2138, 2170, 2450, 3038, 5345, 5425, 7483, 7595, 10690, 10850, 14966, 15190, 26725, 33139, 37415, 37975, 52381, 53450, 66278, 74830, 75950, 104762, 165695, 187075, 231973, 261905, 331390, 374150, 463946, 523810, 828475, 1159865, 1309525, 1623811, 1656950, 2319730, 2619050, 3247622, 5799325, 8119055, 11598650, 16238110, 40595275, 81190550]

約数ペア:

[(1, 81190550), (2, 40595275), (5, 16238110), (7, 11598650), (10, 8119055), (14, 5799325), (25, 3247622), (31, 2619050), (35, 2319730), (49, 1656950), (50, 1623811), (62, 1309525), (70, 1159865), (98, 828475), (155, 523810), (175, 463946), (217, 374150), (245, 331390), (310, 261905), (350, 231973), (434, 187075), (490, 165695), (775, 104762), (1069, 75950), (1085, 74830), (1225, 66278), (1519, 53450), (1550, 52381), (2138, 37975), (2170, 37415), (2450, 33139), (3038, 26725), (5345, 15190), (5425, 14966), (7483, 10850), (7595, 10690)]