209928640

素因数分解:

$2^6\times 5^1\times {\mathrm{293}}^1\times {\mathrm{2239}}^1$

素因数の和:2549

約数の個数: 56

約数和(自身を含む): 501822720

約数和(自身を除く): 291894080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 293, 320, 586, 1172, 1465, 2239, 2344, 2930, 4478, 4688, 5860, 8956, 9376, 11195, 11720, 17912, 18752, 22390, 23440, 35824, 44780, 46880, 71648, 89560, 93760, 143296, 179120, 358240, 656027, 716480, 1312054, 2624108, 3280135, 5248216, 6560270, 10496432, 13120540, 20992864, 26241080, 41985728, 52482160, 104964320, 209928640]

約数ペア:

[(1, 209928640), (2, 104964320), (4, 52482160), (5, 41985728), (8, 26241080), (10, 20992864), (16, 13120540), (20, 10496432), (32, 6560270), (40, 5248216), (64, 3280135), (80, 2624108), (160, 1312054), (293, 716480), (320, 656027), (586, 358240), (1172, 179120), (1465, 143296), (2239, 93760), (2344, 89560), (2930, 71648), (4478, 46880), (4688, 44780), (5860, 35824), (8956, 23440), (9376, 22390), (11195, 18752), (11720, 17912)]