389228560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3203}}^1$

素因数の和:3261

約数の個数: 120

約数和(自身を含む): 1087001856

約数和(自身を除く): 697773296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 1085, 1240, 1519, 1736, 1960, 2170, 2480, 3038, 3203, 3472, 3920, 4340, 6076, 6406, 7595, 8680, 12152, 12812, 15190, 16015, 17360, 22421, 24304, 25624, 30380, 32030, 44842, 51248, 60760, 64060, 89684, 99293, 112105, 121520, 128120, 156947, 179368, 198586, 224210, 256240, 313894, 358736, 397172, 448420, 496465, 627788, 695051, 784735, 794344, 896840, 992930, 1255576, 1390102, 1569470, 1588688, 1793680, 1985860, 2511152, 2780204, 3138940, 3475255, 3971720, 4865357, 5560408, 6277880, 6950510, 7943440, 9730714, 11120816, 12555760, 13901020, 19461428, 24326785, 27802040, 38922856, 48653570, 55604080, 77845712, 97307140, 194614280, 389228560]

約数ペア:

[(1, 389228560), (2, 194614280), (4, 97307140), (5, 77845712), (7, 55604080), (8, 48653570), (10, 38922856), (14, 27802040), (16, 24326785), (20, 19461428), (28, 13901020), (31, 12555760), (35, 11120816), (40, 9730714), (49, 7943440), (56, 6950510), (62, 6277880), (70, 5560408), (80, 4865357), (98, 3971720), (112, 3475255), (124, 3138940), (140, 2780204), (155, 2511152), (196, 1985860), (217, 1793680), (245, 1588688), (248, 1569470), (280, 1390102), (310, 1255576), (392, 992930), (434, 896840), (490, 794344), (496, 784735), (560, 695051), (620, 627788), (784, 496465), (868, 448420), (980, 397172), (1085, 358736), (1240, 313894), (1519, 256240), (1736, 224210), (1960, 198586), (2170, 179368), (2480, 156947), (3038, 128120), (3203, 121520), (3472, 112105), (3920, 99293), (4340, 89684), (6076, 64060), (6406, 60760), (7595, 51248), (8680, 44842), (12152, 32030), (12812, 30380), (15190, 25624), (16015, 24304), (17360, 22421)]