51110920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:407

約数の個数: 96

約数和(自身を含む): 135739800

約数和(自身を除く): 84628880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 89, 98, 140, 178, 196, 245, 280, 293, 356, 392, 445, 490, 586, 623, 712, 890, 980, 1172, 1246, 1465, 1780, 1960, 2051, 2344, 2492, 2930, 3115, 3560, 4102, 4361, 4984, 5860, 6230, 8204, 8722, 10255, 11720, 12460, 14357, 16408, 17444, 20510, 21805, 24920, 26077, 28714, 34888, 41020, 43610, 52154, 57428, 71785, 82040, 87220, 104308, 114856, 130385, 143570, 174440, 182539, 208616, 260770, 287140, 365078, 521540, 574280, 730156, 912695, 1043080, 1277773, 1460312, 1825390, 2555546, 3650780, 5111092, 6388865, 7301560, 10222184, 12777730, 25555460, 51110920]

約数ペア:

[(1, 51110920), (2, 25555460), (4, 12777730), (5, 10222184), (7, 7301560), (8, 6388865), (10, 5111092), (14, 3650780), (20, 2555546), (28, 1825390), (35, 1460312), (40, 1277773), (49, 1043080), (56, 912695), (70, 730156), (89, 574280), (98, 521540), (140, 365078), (178, 287140), (196, 260770), (245, 208616), (280, 182539), (293, 174440), (356, 143570), (392, 130385), (445, 114856), (490, 104308), (586, 87220), (623, 82040), (712, 71785), (890, 57428), (980, 52154), (1172, 43610), (1246, 41020), (1465, 34888), (1780, 28714), (1960, 26077), (2051, 24920), (2344, 21805), (2492, 20510), (2930, 17444), (3115, 16408), (3560, 14357), (4102, 12460), (4361, 11720), (4984, 10255), (5860, 8722), (6230, 8204)]