1911941960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{3761}}^1$

素因数の和:4022

約数の個数: 64

約数和(自身を含む): 4387996800

約数和(自身を除く): 2476054840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 179, 284, 355, 358, 568, 710, 716, 895, 1420, 1432, 1790, 2840, 3580, 3761, 7160, 7522, 12709, 15044, 18805, 25418, 30088, 37610, 50836, 63545, 75220, 101672, 127090, 150440, 254180, 267031, 508360, 534062, 673219, 1068124, 1335155, 1346438, 2136248, 2670310, 2692876, 3366095, 5340620, 5385752, 6732190, 10681240, 13464380, 26928760, 47798549, 95597098, 191194196, 238992745, 382388392, 477985490, 955970980, 1911941960]

約数ペア:

[(1, 1911941960), (2, 955970980), (4, 477985490), (5, 382388392), (8, 238992745), (10, 191194196), (20, 95597098), (40, 47798549), (71, 26928760), (142, 13464380), (179, 10681240), (284, 6732190), (355, 5385752), (358, 5340620), (568, 3366095), (710, 2692876), (716, 2670310), (895, 2136248), (1420, 1346438), (1432, 1335155), (1790, 1068124), (2840, 673219), (3580, 534062), (3761, 508360), (7160, 267031), (7522, 254180), (12709, 150440), (15044, 127090), (18805, 101672), (25418, 75220), (30088, 63545), (37610, 50836)]