80739190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1283}}^1$

素因数の和:1357

約数の個数: 64

約数和(自身を含む): 177500160

約数和(自身を除く): 96760970

約数列:

[1, 2, 5, 7, 10, 14, 29, 31, 35, 58, 62, 70, 145, 155, 203, 217, 290, 310, 406, 434, 899, 1015, 1085, 1283, 1798, 2030, 2170, 2566, 4495, 6293, 6415, 8981, 8990, 12586, 12830, 17962, 31465, 37207, 39773, 44905, 62930, 74414, 79546, 89810, 186035, 198865, 260449, 278411, 372070, 397730, 520898, 556822, 1153417, 1302245, 1392055, 2306834, 2604490, 2784110, 5767085, 8073919, 11534170, 16147838, 40369595, 80739190]

約数ペア:

[(1, 80739190), (2, 40369595), (5, 16147838), (7, 11534170), (10, 8073919), (14, 5767085), (29, 2784110), (31, 2604490), (35, 2306834), (58, 1392055), (62, 1302245), (70, 1153417), (145, 556822), (155, 520898), (203, 397730), (217, 372070), (290, 278411), (310, 260449), (406, 198865), (434, 186035), (899, 89810), (1015, 79546), (1085, 74414), (1283, 62930), (1798, 44905), (2030, 39773), (2170, 37207), (2566, 31465), (4495, 17962), (6293, 12830), (6415, 12586), (8981, 8990)]