71241100

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:133

約数の個数: 144

約数和(自身を含む): 188876800

約数和(自身を除く): 117635700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 49, 50, 62, 67, 70, 98, 100, 124, 134, 140, 155, 175, 196, 217, 245, 268, 310, 335, 343, 350, 434, 469, 490, 620, 670, 686, 700, 775, 868, 938, 980, 1085, 1225, 1340, 1372, 1519, 1550, 1675, 1715, 1876, 2077, 2170, 2345, 2450, 3038, 3100, 3283, 3350, 3430, 4154, 4340, 4690, 4900, 5425, 6076, 6566, 6700, 6860, 7595, 8308, 8575, 9380, 10385, 10633, 10850, 11725, 13132, 14539, 15190, 16415, 17150, 20770, 21266, 21700, 22981, 23450, 29078, 30380, 32830, 34300, 37975, 41540, 42532, 45962, 46900, 51925, 53165, 58156, 65660, 72695, 75950, 82075, 91924, 101773, 103850, 106330, 114905, 145390, 151900, 164150, 203546, 207700, 212660, 229810, 265825, 290780, 328300, 363475, 407092, 459620, 508865, 531650, 574525, 712411, 726950, 1017730, 1063300, 1149050, 1424822, 1453900, 2035460, 2298100, 2544325, 2849644, 3562055, 5088650, 7124110, 10177300, 14248220, 17810275, 35620550, 71241100]

約数ペア:

[(1, 71241100), (2, 35620550), (4, 17810275), (5, 14248220), (7, 10177300), (10, 7124110), (14, 5088650), (20, 3562055), (25, 2849644), (28, 2544325), (31, 2298100), (35, 2035460), (49, 1453900), (50, 1424822), (62, 1149050), (67, 1063300), (70, 1017730), (98, 726950), (100, 712411), (124, 574525), (134, 531650), (140, 508865), (155, 459620), (175, 407092), (196, 363475), (217, 328300), (245, 290780), (268, 265825), (310, 229810), (335, 212660), (343, 207700), (350, 203546), (434, 164150), (469, 151900), (490, 145390), (620, 114905), (670, 106330), (686, 103850), (700, 101773), (775, 91924), (868, 82075), (938, 75950), (980, 72695), (1085, 65660), (1225, 58156), (1340, 53165), (1372, 51925), (1519, 46900), (1550, 45962), (1675, 42532), (1715, 41540), (1876, 37975), (2077, 34300), (2170, 32830), (2345, 30380), (2450, 29078), (3038, 23450), (3100, 22981), (3283, 21700), (3350, 21266), (3430, 20770), (4154, 17150), (4340, 16415), (4690, 15190), (4900, 14539), (5425, 13132), (6076, 11725), (6566, 10850), (6700, 10633), (6860, 10385), (7595, 9380), (8308, 8575)]