206305000

素因数分解:

$2^3\times 5^4\times {\mathrm{11}}^3\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 160

約数和(自身を含む): 548824320

約数和(自身を除く): 342519320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 31, 40, 44, 50, 55, 62, 88, 100, 110, 121, 124, 125, 155, 200, 220, 242, 248, 250, 275, 310, 341, 440, 484, 500, 550, 605, 620, 625, 682, 775, 968, 1000, 1100, 1210, 1240, 1250, 1331, 1364, 1375, 1550, 1705, 2200, 2420, 2500, 2662, 2728, 2750, 3025, 3100, 3410, 3751, 3875, 4840, 5000, 5324, 5500, 6050, 6200, 6655, 6820, 6875, 7502, 7750, 8525, 10648, 11000, 12100, 13310, 13640, 13750, 15004, 15125, 15500, 17050, 18755, 19375, 24200, 26620, 27500, 30008, 30250, 31000, 33275, 34100, 37510, 38750, 41261, 42625, 53240, 55000, 60500, 66550, 68200, 75020, 75625, 77500, 82522, 85250, 93775, 121000, 133100, 150040, 151250, 155000, 165044, 166375, 170500, 187550, 206305, 213125, 266200, 302500, 330088, 332750, 341000, 375100, 412610, 426250, 468875, 605000, 665500, 750200, 825220, 831875, 852500, 937750, 1031525, 1331000, 1650440, 1663750, 1705000, 1875500, 2063050, 2344375, 3327500, 3751000, 4126100, 4688750, 5157625, 6655000, 8252200, 9377500, 10315250, 18755000, 20630500, 25788125, 41261000, 51576250, 103152500, 206305000]

約数ペア:

[(1, 206305000), (2, 103152500), (4, 51576250), (5, 41261000), (8, 25788125), (10, 20630500), (11, 18755000), (20, 10315250), (22, 9377500), (25, 8252200), (31, 6655000), (40, 5157625), (44, 4688750), (50, 4126100), (55, 3751000), (62, 3327500), (88, 2344375), (100, 2063050), (110, 1875500), (121, 1705000), (124, 1663750), (125, 1650440), (155, 1331000), (200, 1031525), (220, 937750), (242, 852500), (248, 831875), (250, 825220), (275, 750200), (310, 665500), (341, 605000), (440, 468875), (484, 426250), (500, 412610), (550, 375100), (605, 341000), (620, 332750), (625, 330088), (682, 302500), (775, 266200), (968, 213125), (1000, 206305), (1100, 187550), (1210, 170500), (1240, 166375), (1250, 165044), (1331, 155000), (1364, 151250), (1375, 150040), (1550, 133100), (1705, 121000), (2200, 93775), (2420, 85250), (2500, 82522), (2662, 77500), (2728, 75625), (2750, 75020), (3025, 68200), (3100, 66550), (3410, 60500), (3751, 55000), (3875, 53240), (4840, 42625), (5000, 41261), (5324, 38750), (5500, 37510), (6050, 34100), (6200, 33275), (6655, 31000), (6820, 30250), (6875, 30008), (7502, 27500), (7750, 26620), (8525, 24200), (10648, 19375), (11000, 18755), (12100, 17050), (13310, 15500), (13640, 15125), (13750, 15004)]