1979621560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^2\times {\mathrm{1051}}^1$

素因数の和:1138

約数の個数: 144

約数和(自身を含む): 5358982680

約数和(自身を除く): 3379361120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 620, 868, 961, 980, 1051, 1085, 1240, 1519, 1736, 1922, 1960, 2102, 2170, 3038, 3844, 4204, 4340, 4805, 5255, 6076, 6727, 7357, 7595, 7688, 8408, 8680, 9610, 10510, 12152, 13454, 14714, 15190, 19220, 21020, 26908, 29428, 30380, 32581, 33635, 36785, 38440, 42040, 47089, 51499, 53816, 58856, 60760, 65162, 67270, 73570, 94178, 102998, 130324, 134540, 147140, 162905, 188356, 205996, 228067, 235445, 257495, 260648, 269080, 294280, 325810, 376712, 411992, 456134, 470890, 514990, 651620, 912268, 941780, 1010011, 1029980, 1140335, 1303240, 1596469, 1824536, 1883560, 2020022, 2059960, 2280670, 3192938, 4040044, 4561340, 5050055, 6385876, 7070077, 7982345, 8080088, 9122680, 10100110, 12771752, 14140154, 15964690, 20200220, 28280308, 31929380, 35350385, 40400440, 49490539, 56560616, 63858760, 70700770, 98981078, 141401540, 197962156, 247452695, 282803080, 395924312, 494905390, 989810780, 1979621560]

約数ペア:

[(1, 1979621560), (2, 989810780), (4, 494905390), (5, 395924312), (7, 282803080), (8, 247452695), (10, 197962156), (14, 141401540), (20, 98981078), (28, 70700770), (31, 63858760), (35, 56560616), (40, 49490539), (49, 40400440), (56, 35350385), (62, 31929380), (70, 28280308), (98, 20200220), (124, 15964690), (140, 14140154), (155, 12771752), (196, 10100110), (217, 9122680), (245, 8080088), (248, 7982345), (280, 7070077), (310, 6385876), (392, 5050055), (434, 4561340), (490, 4040044), (620, 3192938), (868, 2280670), (961, 2059960), (980, 2020022), (1051, 1883560), (1085, 1824536), (1240, 1596469), (1519, 1303240), (1736, 1140335), (1922, 1029980), (1960, 1010011), (2102, 941780), (2170, 912268), (3038, 651620), (3844, 514990), (4204, 470890), (4340, 456134), (4805, 411992), (5255, 376712), (6076, 325810), (6727, 294280), (7357, 269080), (7595, 260648), (7688, 257495), (8408, 235445), (8680, 228067), (9610, 205996), (10510, 188356), (12152, 162905), (13454, 147140), (14714, 134540), (15190, 130324), (19220, 102998), (21020, 94178), (26908, 73570), (29428, 67270), (30380, 65162), (32581, 60760), (33635, 58856), (36785, 53816), (38440, 51499), (42040, 47089)]