890454820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{9239}}^1$

素因数の和:9388

約数の個数: 48

約数和(自身を含む): 1924876800

約数和(自身を除く): 1034421980

約数列:

[1, 2, 4, 5, 10, 20, 61, 79, 122, 158, 244, 305, 316, 395, 610, 790, 1220, 1580, 4819, 9239, 9638, 18478, 19276, 24095, 36956, 46195, 48190, 92390, 96380, 184780, 563579, 729881, 1127158, 1459762, 2254316, 2817895, 2919524, 3649405, 5635790, 7298810, 11271580, 14597620, 44522741, 89045482, 178090964, 222613705, 445227410, 890454820]

約数ペア:

[(1, 890454820), (2, 445227410), (4, 222613705), (5, 178090964), (10, 89045482), (20, 44522741), (61, 14597620), (79, 11271580), (122, 7298810), (158, 5635790), (244, 3649405), (305, 2919524), (316, 2817895), (395, 2254316), (610, 1459762), (790, 1127158), (1220, 729881), (1580, 563579), (4819, 184780), (9239, 96380), (9638, 92390), (18478, 48190), (19276, 46195), (24095, 36956)]