197494180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:389

約数の個数: 96

約数和(自身を含む): 467389440

約数和(自身を除く): 269895260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 107, 124, 130, 155, 214, 229, 260, 310, 403, 428, 458, 535, 620, 806, 916, 1070, 1145, 1391, 1612, 2015, 2140, 2290, 2782, 2977, 3317, 4030, 4580, 5564, 5954, 6634, 6955, 7099, 8060, 11908, 13268, 13910, 14198, 14885, 16585, 24503, 27820, 28396, 29770, 33170, 35495, 43121, 49006, 59540, 66340, 70990, 86242, 92287, 98012, 122515, 141980, 172484, 184574, 215605, 245030, 318539, 369148, 431210, 461435, 490060, 637078, 759593, 862420, 922870, 1274156, 1519186, 1592695, 1845740, 3038372, 3185390, 3797965, 6370780, 7595930, 9874709, 15191860, 19749418, 39498836, 49373545, 98747090, 197494180]

約数ペア:

[(1, 197494180), (2, 98747090), (4, 49373545), (5, 39498836), (10, 19749418), (13, 15191860), (20, 9874709), (26, 7595930), (31, 6370780), (52, 3797965), (62, 3185390), (65, 3038372), (107, 1845740), (124, 1592695), (130, 1519186), (155, 1274156), (214, 922870), (229, 862420), (260, 759593), (310, 637078), (403, 490060), (428, 461435), (458, 431210), (535, 369148), (620, 318539), (806, 245030), (916, 215605), (1070, 184574), (1145, 172484), (1391, 141980), (1612, 122515), (2015, 98012), (2140, 92287), (2290, 86242), (2782, 70990), (2977, 66340), (3317, 59540), (4030, 49006), (4580, 43121), (5564, 35495), (5954, 33170), (6634, 29770), (6955, 28396), (7099, 27820), (8060, 24503), (11908, 16585), (13268, 14885), (13910, 14198)]