128540500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{23371}}^1$

素因数の和:23401

約数の個数: 48

約数和(自身を含む): 306266688

約数和(自身を除く): 177726188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 1100, 1375, 2750, 5500, 23371, 46742, 93484, 116855, 233710, 257081, 467420, 514162, 584275, 1028324, 1168550, 1285405, 2337100, 2570810, 2921375, 5141620, 5842750, 6427025, 11685500, 12854050, 25708100, 32135125, 64270250, 128540500]

約数ペア:

[(1, 128540500), (2, 64270250), (4, 32135125), (5, 25708100), (10, 12854050), (11, 11685500), (20, 6427025), (22, 5842750), (25, 5141620), (44, 2921375), (50, 2570810), (55, 2337100), (100, 1285405), (110, 1168550), (125, 1028324), (220, 584275), (250, 514162), (275, 467420), (500, 257081), (550, 233710), (1100, 116855), (1375, 93484), (2750, 46742), (5500, 23371)]