28612100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2$

素因数の和:118

約数の個数: 108

約数和(自身を含む): 73276560

約数和(自身を除く): 44664460

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 37, 38, 44, 50, 55, 74, 76, 95, 100, 110, 148, 185, 190, 209, 220, 275, 370, 380, 407, 418, 475, 550, 703, 740, 814, 836, 925, 950, 1045, 1100, 1369, 1406, 1628, 1850, 1900, 2035, 2090, 2738, 2812, 3515, 3700, 4070, 4180, 5225, 5476, 6845, 7030, 7733, 8140, 10175, 10450, 13690, 14060, 15059, 15466, 17575, 20350, 20900, 26011, 27380, 30118, 30932, 34225, 35150, 38665, 40700, 52022, 60236, 68450, 70300, 75295, 77330, 104044, 130055, 136900, 150590, 154660, 193325, 260110, 286121, 301180, 376475, 386650, 520220, 572242, 650275, 752950, 773300, 1144484, 1300550, 1430605, 1505900, 2601100, 2861210, 5722420, 7153025, 14306050, 28612100]

約数ペア:

[(1, 28612100), (2, 14306050), (4, 7153025), (5, 5722420), (10, 2861210), (11, 2601100), (19, 1505900), (20, 1430605), (22, 1300550), (25, 1144484), (37, 773300), (38, 752950), (44, 650275), (50, 572242), (55, 520220), (74, 386650), (76, 376475), (95, 301180), (100, 286121), (110, 260110), (148, 193325), (185, 154660), (190, 150590), (209, 136900), (220, 130055), (275, 104044), (370, 77330), (380, 75295), (407, 70300), (418, 68450), (475, 60236), (550, 52022), (703, 40700), (740, 38665), (814, 35150), (836, 34225), (925, 30932), (950, 30118), (1045, 27380), (1100, 26011), (1369, 20900), (1406, 20350), (1628, 17575), (1850, 15466), (1900, 15059), (2035, 14060), (2090, 13690), (2738, 10450), (2812, 10175), (3515, 8140), (3700, 7733), (4070, 7030), (4180, 6845), (5225, 5476)]