389263280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1319}}^1$

素因数の和:1387

約数の個数: 160

約数和(自身を含む): 1131356160

約数和(自身を除く): 742092880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 34, 35, 40, 56, 62, 68, 70, 80, 85, 112, 119, 124, 136, 140, 155, 170, 217, 238, 248, 272, 280, 310, 340, 434, 476, 496, 527, 560, 595, 620, 680, 868, 952, 1054, 1085, 1190, 1240, 1319, 1360, 1736, 1904, 2108, 2170, 2380, 2480, 2635, 2638, 3472, 3689, 4216, 4340, 4760, 5270, 5276, 6595, 7378, 8432, 8680, 9233, 9520, 10540, 10552, 13190, 14756, 17360, 18445, 18466, 21080, 21104, 22423, 26380, 29512, 36890, 36932, 40889, 42160, 44846, 46165, 52760, 59024, 73780, 73864, 81778, 89692, 92330, 105520, 112115, 147560, 147728, 156961, 163556, 179384, 184660, 204445, 224230, 286223, 295120, 313922, 327112, 358768, 369320, 408890, 448460, 572446, 627844, 654224, 695113, 738640, 784805, 817780, 896920, 1144892, 1255688, 1390226, 1431115, 1569610, 1635560, 1793840, 2289784, 2511376, 2780452, 2862230, 3139220, 3271120, 3475565, 4579568, 4865791, 5560904, 5724460, 6278440, 6951130, 9731582, 11121808, 11448920, 12556880, 13902260, 19463164, 22897840, 24328955, 27804520, 38926328, 48657910, 55609040, 77852656, 97315820, 194631640, 389263280]

約数ペア:

[(1, 389263280), (2, 194631640), (4, 97315820), (5, 77852656), (7, 55609040), (8, 48657910), (10, 38926328), (14, 27804520), (16, 24328955), (17, 22897840), (20, 19463164), (28, 13902260), (31, 12556880), (34, 11448920), (35, 11121808), (40, 9731582), (56, 6951130), (62, 6278440), (68, 5724460), (70, 5560904), (80, 4865791), (85, 4579568), (112, 3475565), (119, 3271120), (124, 3139220), (136, 2862230), (140, 2780452), (155, 2511376), (170, 2289784), (217, 1793840), (238, 1635560), (248, 1569610), (272, 1431115), (280, 1390226), (310, 1255688), (340, 1144892), (434, 896920), (476, 817780), (496, 784805), (527, 738640), (560, 695113), (595, 654224), (620, 627844), (680, 572446), (868, 448460), (952, 408890), (1054, 369320), (1085, 358768), (1190, 327112), (1240, 313922), (1319, 295120), (1360, 286223), (1736, 224230), (1904, 204445), (2108, 184660), (2170, 179384), (2380, 163556), (2480, 156961), (2635, 147728), (2638, 147560), (3472, 112115), (3689, 105520), (4216, 92330), (4340, 89692), (4760, 81778), (5270, 73864), (5276, 73780), (6595, 59024), (7378, 52760), (8432, 46165), (8680, 44846), (9233, 42160), (9520, 40889), (10540, 36932), (10552, 36890), (13190, 29512), (14756, 26380), (17360, 22423), (18445, 21104), (18466, 21080)]