209534961920

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5280619}}^1$

素因数の和:5280671

約数の個数: 72

約数和(自身を含む): 518092189440

約数和(自身を除く): 308557227520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 5280619, 10561238, 21122476, 26403095, 42244952, 52806190, 84489904, 105612380, 163699189, 168979808, 211224760, 327398378, 337959616, 422449520, 654796756, 675919232, 818495945, 844899040, 1309593512, 1351838464, 1636991890, 1689798080, 2619187024, 3273983780, 3379596160, 5238374048, 6547967560, 6759192320, 10476748096, 13095935120, 20953496192, 26191870240, 41906992384, 52383740480, 104767480960, 209534961920]

約数ペア:

[(1, 209534961920), (2, 104767480960), (4, 52383740480), (5, 41906992384), (8, 26191870240), (10, 20953496192), (16, 13095935120), (20, 10476748096), (31, 6759192320), (32, 6547967560), (40, 5238374048), (62, 3379596160), (64, 3273983780), (80, 2619187024), (124, 1689798080), (128, 1636991890), (155, 1351838464), (160, 1309593512), (248, 844899040), (256, 818495945), (310, 675919232), (320, 654796756), (496, 422449520), (620, 337959616), (640, 327398378), (992, 211224760), (1240, 168979808), (1280, 163699189), (1984, 105612380), (2480, 84489904), (3968, 52806190), (4960, 42244952), (7936, 26403095), (9920, 21122476), (19840, 10561238), (39680, 5280619)]