388324620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{293}}^1$

素因数の和:544

約数の個数: 144

約数和(自身を含む): 1219982400

約数和(自身を除く): 831657780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 199, 222, 293, 333, 370, 398, 444, 555, 586, 597, 666, 740, 796, 879, 995, 1110, 1172, 1194, 1332, 1465, 1665, 1758, 1791, 1990, 2220, 2388, 2637, 2930, 2985, 3330, 3516, 3582, 3980, 4395, 5274, 5860, 5970, 6660, 7164, 7363, 8790, 8955, 10548, 10841, 11940, 13185, 14726, 17580, 17910, 21682, 22089, 26370, 29452, 32523, 35820, 36815, 43364, 44178, 52740, 54205, 58307, 65046, 66267, 73630, 88356, 97569, 108410, 110445, 116614, 130092, 132534, 147260, 162615, 174921, 195138, 216820, 220890, 233228, 265068, 291535, 325230, 331335, 349842, 390276, 441780, 487845, 524763, 583070, 650460, 662670, 699684, 874605, 975690, 1049526, 1166140, 1325340, 1749210, 1951380, 2099052, 2157359, 2623815, 3498420, 4314718, 5247630, 6472077, 8629436, 10495260, 10786795, 12944154, 19416231, 21573590, 25888308, 32360385, 38832462, 43147180, 64720770, 77664924, 97081155, 129441540, 194162310, 388324620]

約数ペア:

[(1, 388324620), (2, 194162310), (3, 129441540), (4, 97081155), (5, 77664924), (6, 64720770), (9, 43147180), (10, 38832462), (12, 32360385), (15, 25888308), (18, 21573590), (20, 19416231), (30, 12944154), (36, 10786795), (37, 10495260), (45, 8629436), (60, 6472077), (74, 5247630), (90, 4314718), (111, 3498420), (148, 2623815), (180, 2157359), (185, 2099052), (199, 1951380), (222, 1749210), (293, 1325340), (333, 1166140), (370, 1049526), (398, 975690), (444, 874605), (555, 699684), (586, 662670), (597, 650460), (666, 583070), (740, 524763), (796, 487845), (879, 441780), (995, 390276), (1110, 349842), (1172, 331335), (1194, 325230), (1332, 291535), (1465, 265068), (1665, 233228), (1758, 220890), (1791, 216820), (1990, 195138), (2220, 174921), (2388, 162615), (2637, 147260), (2930, 132534), (2985, 130092), (3330, 116614), (3516, 110445), (3582, 108410), (3980, 97569), (4395, 88356), (5274, 73630), (5860, 66267), (5970, 65046), (6660, 58307), (7164, 54205), (7363, 52740), (8790, 44178), (8955, 43364), (10548, 36815), (10841, 35820), (11940, 32523), (13185, 29452), (14726, 26370), (17580, 22089), (17910, 21682)]