380930480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21943}}^1$

素因数の和:21994

約数の個数: 80

約数和(自身を含む): 1044885504

約数和(自身を除く): 663955024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 21943, 43886, 87772, 109715, 153601, 175544, 219430, 307202, 351088, 438860, 614404, 680233, 768005, 877720, 1228808, 1360466, 1536010, 1755440, 2457616, 2720932, 3072020, 3401165, 4761631, 5441864, 6144040, 6802330, 9523262, 10883728, 12288080, 13604660, 19046524, 23808155, 27209320, 38093048, 47616310, 54418640, 76186096, 95232620, 190465240, 380930480]

約数ペア:

[(1, 380930480), (2, 190465240), (4, 95232620), (5, 76186096), (7, 54418640), (8, 47616310), (10, 38093048), (14, 27209320), (16, 23808155), (20, 19046524), (28, 13604660), (31, 12288080), (35, 10883728), (40, 9523262), (56, 6802330), (62, 6144040), (70, 5441864), (80, 4761631), (112, 3401165), (124, 3072020), (140, 2720932), (155, 2457616), (217, 1755440), (248, 1536010), (280, 1360466), (310, 1228808), (434, 877720), (496, 768005), (560, 680233), (620, 614404), (868, 438860), (1085, 351088), (1240, 307202), (1736, 219430), (2170, 175544), (2480, 153601), (3472, 109715), (4340, 87772), (8680, 43886), (17360, 21943)]