201540920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^2\times {\mathrm{107}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 550161720

約数和(自身を除く): 348620800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 107, 124, 140, 155, 196, 214, 217, 245, 248, 280, 310, 392, 428, 434, 490, 535, 620, 749, 856, 868, 961, 980, 1070, 1085, 1240, 1498, 1519, 1736, 1922, 1960, 2140, 2170, 2996, 3038, 3317, 3745, 3844, 4280, 4340, 4805, 5243, 5992, 6076, 6634, 6727, 7490, 7595, 7688, 8680, 9610, 10486, 12152, 13268, 13454, 14980, 15190, 16585, 19220, 20972, 23219, 26215, 26536, 26908, 29960, 30380, 33170, 33635, 38440, 41944, 46438, 47089, 52430, 53816, 60760, 66340, 67270, 92876, 94178, 102827, 104860, 116095, 132680, 134540, 162533, 185752, 188356, 205654, 209720, 232190, 235445, 269080, 325066, 376712, 411308, 464380, 470890, 514135, 650132, 719789, 812665, 822616, 928760, 941780, 1028270, 1300264, 1439578, 1625330, 1883560, 2056540, 2879156, 3250660, 3598945, 4113080, 5038523, 5758312, 6501320, 7197890, 10077046, 14395780, 20154092, 25192615, 28791560, 40308184, 50385230, 100770460, 201540920]

約数ペア:

[(1, 201540920), (2, 100770460), (4, 50385230), (5, 40308184), (7, 28791560), (8, 25192615), (10, 20154092), (14, 14395780), (20, 10077046), (28, 7197890), (31, 6501320), (35, 5758312), (40, 5038523), (49, 4113080), (56, 3598945), (62, 3250660), (70, 2879156), (98, 2056540), (107, 1883560), (124, 1625330), (140, 1439578), (155, 1300264), (196, 1028270), (214, 941780), (217, 928760), (245, 822616), (248, 812665), (280, 719789), (310, 650132), (392, 514135), (428, 470890), (434, 464380), (490, 411308), (535, 376712), (620, 325066), (749, 269080), (856, 235445), (868, 232190), (961, 209720), (980, 205654), (1070, 188356), (1085, 185752), (1240, 162533), (1498, 134540), (1519, 132680), (1736, 116095), (1922, 104860), (1960, 102827), (2140, 94178), (2170, 92876), (2996, 67270), (3038, 66340), (3317, 60760), (3745, 53816), (3844, 52430), (4280, 47089), (4340, 46438), (4805, 41944), (5243, 38440), (5992, 33635), (6076, 33170), (6634, 30380), (6727, 29960), (7490, 26908), (7595, 26536), (7688, 26215), (8680, 23219), (9610, 20972), (10486, 19220), (12152, 16585), (13268, 15190), (13454, 14980)]