195994940

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1\times {\mathrm{307}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 417729312

約数和(自身を除く): 221734372

約数列:

[1, 2, 4, 5, 10, 20, 137, 233, 274, 307, 466, 548, 614, 685, 932, 1165, 1228, 1370, 1535, 2330, 2740, 3070, 4660, 6140, 31921, 42059, 63842, 71531, 84118, 127684, 143062, 159605, 168236, 210295, 286124, 319210, 357655, 420590, 638420, 715310, 841180, 1430620, 9799747, 19599494, 39198988, 48998735, 97997470, 195994940]

約数ペア:

[(1, 195994940), (2, 97997470), (4, 48998735), (5, 39198988), (10, 19599494), (20, 9799747), (137, 1430620), (233, 841180), (274, 715310), (307, 638420), (466, 420590), (548, 357655), (614, 319210), (685, 286124), (932, 210295), (1165, 168236), (1228, 159605), (1370, 143062), (1535, 127684), (2330, 84118), (2740, 71531), (3070, 63842), (4660, 42059), (6140, 31921)]