819900400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6011}}^1$

素因数の和:6071

約数の個数: 120

約数和(自身を含む): 2218572288

約数和(自身を除く): 1398671888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 40, 44, 50, 55, 62, 80, 88, 100, 110, 124, 155, 176, 200, 220, 248, 275, 310, 341, 400, 440, 496, 550, 620, 682, 775, 880, 1100, 1240, 1364, 1550, 1705, 2200, 2480, 2728, 3100, 3410, 4400, 5456, 6011, 6200, 6820, 8525, 12022, 12400, 13640, 17050, 24044, 27280, 30055, 34100, 48088, 60110, 66121, 68200, 96176, 120220, 132242, 136400, 150275, 186341, 240440, 264484, 300550, 330605, 372682, 480880, 528968, 601100, 661210, 745364, 931705, 1057936, 1202200, 1322420, 1490728, 1653025, 1863410, 2049751, 2404400, 2644840, 2981456, 3306050, 3726820, 4099502, 4658525, 5289680, 6612100, 7453640, 8199004, 9317050, 10248755, 13224200, 14907280, 16398008, 18634100, 20497510, 26448400, 32796016, 37268200, 40995020, 51243775, 74536400, 81990040, 102487550, 163980080, 204975100, 409950200, 819900400]

約数ペア:

[(1, 819900400), (2, 409950200), (4, 204975100), (5, 163980080), (8, 102487550), (10, 81990040), (11, 74536400), (16, 51243775), (20, 40995020), (22, 37268200), (25, 32796016), (31, 26448400), (40, 20497510), (44, 18634100), (50, 16398008), (55, 14907280), (62, 13224200), (80, 10248755), (88, 9317050), (100, 8199004), (110, 7453640), (124, 6612100), (155, 5289680), (176, 4658525), (200, 4099502), (220, 3726820), (248, 3306050), (275, 2981456), (310, 2644840), (341, 2404400), (400, 2049751), (440, 1863410), (496, 1653025), (550, 1490728), (620, 1322420), (682, 1202200), (775, 1057936), (880, 931705), (1100, 745364), (1240, 661210), (1364, 601100), (1550, 528968), (1705, 480880), (2200, 372682), (2480, 330605), (2728, 300550), (3100, 264484), (3410, 240440), (4400, 186341), (5456, 150275), (6011, 136400), (6200, 132242), (6820, 120220), (8525, 96176), (12022, 68200), (12400, 66121), (13640, 60110), (17050, 48088), (24044, 34100), (27280, 30055)]