28695700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1373}}^1$

素因数の和:1417

約数の個数: 72

約数和(自身を含む): 71557920

約数和(自身を除く): 42862220

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 380, 418, 475, 550, 836, 950, 1045, 1100, 1373, 1900, 2090, 2746, 4180, 5225, 5492, 6865, 10450, 13730, 15103, 20900, 26087, 27460, 30206, 34325, 52174, 60412, 68650, 75515, 104348, 130435, 137300, 151030, 260870, 286957, 302060, 377575, 521740, 573914, 652175, 755150, 1147828, 1304350, 1434785, 1510300, 2608700, 2869570, 5739140, 7173925, 14347850, 28695700]

約数ペア:

[(1, 28695700), (2, 14347850), (4, 7173925), (5, 5739140), (10, 2869570), (11, 2608700), (19, 1510300), (20, 1434785), (22, 1304350), (25, 1147828), (38, 755150), (44, 652175), (50, 573914), (55, 521740), (76, 377575), (95, 302060), (100, 286957), (110, 260870), (190, 151030), (209, 137300), (220, 130435), (275, 104348), (380, 75515), (418, 68650), (475, 60412), (550, 52174), (836, 34325), (950, 30206), (1045, 27460), (1100, 26087), (1373, 20900), (1900, 15103), (2090, 13730), (2746, 10450), (4180, 6865), (5225, 5492)]