427955000

素因数分解:

$2^3\times 5^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:319

約数の個数: 160

約数和(自身を含む): 1133637120

約数和(自身を除く): 705682120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 31, 40, 44, 50, 55, 62, 88, 100, 110, 124, 125, 155, 200, 220, 248, 250, 251, 275, 310, 341, 440, 500, 502, 550, 620, 625, 682, 775, 1000, 1004, 1100, 1240, 1250, 1255, 1364, 1375, 1550, 1705, 2008, 2200, 2500, 2510, 2728, 2750, 2761, 3100, 3410, 3875, 5000, 5020, 5500, 5522, 6200, 6275, 6820, 6875, 7750, 7781, 8525, 10040, 11000, 11044, 12550, 13640, 13750, 13805, 15500, 15562, 17050, 19375, 22088, 25100, 27500, 27610, 31000, 31124, 31375, 34100, 38750, 38905, 42625, 50200, 55000, 55220, 62248, 62750, 68200, 69025, 77500, 77810, 85250, 85591, 110440, 125500, 138050, 155000, 155620, 156875, 170500, 171182, 194525, 213125, 251000, 276100, 311240, 313750, 341000, 342364, 345125, 389050, 426250, 427955, 552200, 627500, 684728, 690250, 778100, 852500, 855910, 972625, 1255000, 1380500, 1556200, 1705000, 1711820, 1725625, 1945250, 2139775, 2761000, 3423640, 3451250, 3890500, 4279550, 4863125, 6902500, 7781000, 8559100, 9726250, 10698875, 13805000, 17118200, 19452500, 21397750, 38905000, 42795500, 53494375, 85591000, 106988750, 213977500, 427955000]

約数ペア:

[(1, 427955000), (2, 213977500), (4, 106988750), (5, 85591000), (8, 53494375), (10, 42795500), (11, 38905000), (20, 21397750), (22, 19452500), (25, 17118200), (31, 13805000), (40, 10698875), (44, 9726250), (50, 8559100), (55, 7781000), (62, 6902500), (88, 4863125), (100, 4279550), (110, 3890500), (124, 3451250), (125, 3423640), (155, 2761000), (200, 2139775), (220, 1945250), (248, 1725625), (250, 1711820), (251, 1705000), (275, 1556200), (310, 1380500), (341, 1255000), (440, 972625), (500, 855910), (502, 852500), (550, 778100), (620, 690250), (625, 684728), (682, 627500), (775, 552200), (1000, 427955), (1004, 426250), (1100, 389050), (1240, 345125), (1250, 342364), (1255, 341000), (1364, 313750), (1375, 311240), (1550, 276100), (1705, 251000), (2008, 213125), (2200, 194525), (2500, 171182), (2510, 170500), (2728, 156875), (2750, 155620), (2761, 155000), (3100, 138050), (3410, 125500), (3875, 110440), (5000, 85591), (5020, 85250), (5500, 77810), (5522, 77500), (6200, 69025), (6275, 68200), (6820, 62750), (6875, 62248), (7750, 55220), (7781, 55000), (8525, 50200), (10040, 42625), (11000, 38905), (11044, 38750), (12550, 34100), (13640, 31375), (13750, 31124), (13805, 31000), (15500, 27610), (15562, 27500), (17050, 25100), (19375, 22088)]