81172300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{677}}^1$

素因数の和:811

約数の個数: 72

約数和(自身を含む): 194206320

約数和(自身を除く): 113034020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 109, 110, 218, 220, 275, 436, 545, 550, 677, 1090, 1100, 1199, 1354, 2180, 2398, 2708, 2725, 3385, 4796, 5450, 5995, 6770, 7447, 10900, 11990, 13540, 14894, 16925, 23980, 29788, 29975, 33850, 37235, 59950, 67700, 73793, 74470, 119900, 147586, 148940, 186175, 295172, 368965, 372350, 737930, 744700, 811723, 1475860, 1623446, 1844825, 3246892, 3689650, 4058615, 7379300, 8117230, 16234460, 20293075, 40586150, 81172300]

約数ペア:

[(1, 81172300), (2, 40586150), (4, 20293075), (5, 16234460), (10, 8117230), (11, 7379300), (20, 4058615), (22, 3689650), (25, 3246892), (44, 1844825), (50, 1623446), (55, 1475860), (100, 811723), (109, 744700), (110, 737930), (218, 372350), (220, 368965), (275, 295172), (436, 186175), (545, 148940), (550, 147586), (677, 119900), (1090, 74470), (1100, 73793), (1199, 67700), (1354, 59950), (2180, 37235), (2398, 33850), (2708, 29975), (2725, 29788), (3385, 23980), (4796, 16925), (5450, 14894), (5995, 13540), (6770, 11990), (7447, 10900)]