405333680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1193}}^1$

素因数の和:1374

約数の個数: 80

約数和(自身を含む): 980722944

約数和(自身を除く): 575389264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 137, 155, 248, 274, 310, 496, 548, 620, 685, 1096, 1193, 1240, 1370, 2192, 2386, 2480, 2740, 4247, 4772, 5480, 5965, 8494, 9544, 10960, 11930, 16988, 19088, 21235, 23860, 33976, 36983, 42470, 47720, 67952, 73966, 84940, 95440, 147932, 163441, 169880, 184915, 295864, 326882, 339760, 369830, 591728, 653764, 739660, 817205, 1307528, 1479320, 1634410, 2615056, 2958640, 3268820, 5066671, 6537640, 10133342, 13075280, 20266684, 25333355, 40533368, 50666710, 81066736, 101333420, 202666840, 405333680]

約数ペア:

[(1, 405333680), (2, 202666840), (4, 101333420), (5, 81066736), (8, 50666710), (10, 40533368), (16, 25333355), (20, 20266684), (31, 13075280), (40, 10133342), (62, 6537640), (80, 5066671), (124, 3268820), (137, 2958640), (155, 2615056), (248, 1634410), (274, 1479320), (310, 1307528), (496, 817205), (548, 739660), (620, 653764), (685, 591728), (1096, 369830), (1193, 339760), (1240, 326882), (1370, 295864), (2192, 184915), (2386, 169880), (2480, 163441), (2740, 147932), (4247, 95440), (4772, 84940), (5480, 73966), (5965, 67952), (8494, 47720), (9544, 42470), (10960, 36983), (11930, 33976), (16988, 23860), (19088, 21235)]