28714400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:295

約数の個数: 144

約数和(自身を含む): 82682208

約数和(自身を除く): 53967808

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 32, 40, 44, 50, 52, 55, 65, 80, 88, 100, 104, 110, 130, 143, 160, 176, 200, 208, 220, 251, 260, 275, 286, 325, 352, 400, 416, 440, 502, 520, 550, 572, 650, 715, 800, 880, 1004, 1040, 1100, 1144, 1255, 1300, 1430, 1760, 2008, 2080, 2200, 2288, 2510, 2600, 2761, 2860, 3263, 3575, 4016, 4400, 4576, 5020, 5200, 5522, 5720, 6275, 6526, 7150, 8032, 8800, 10040, 10400, 11044, 11440, 12550, 13052, 13805, 14300, 16315, 20080, 22088, 22880, 25100, 26104, 27610, 28600, 32630, 35893, 40160, 44176, 50200, 52208, 55220, 57200, 65260, 69025, 71786, 81575, 88352, 100400, 104416, 110440, 114400, 130520, 138050, 143572, 163150, 179465, 200800, 220880, 261040, 276100, 287144, 326300, 358930, 441760, 522080, 552200, 574288, 652600, 717860, 897325, 1104400, 1148576, 1305200, 1435720, 1794650, 2208800, 2610400, 2871440, 3589300, 5742880, 7178600, 14357200, 28714400]

約数ペア:

[(1, 28714400), (2, 14357200), (4, 7178600), (5, 5742880), (8, 3589300), (10, 2871440), (11, 2610400), (13, 2208800), (16, 1794650), (20, 1435720), (22, 1305200), (25, 1148576), (26, 1104400), (32, 897325), (40, 717860), (44, 652600), (50, 574288), (52, 552200), (55, 522080), (65, 441760), (80, 358930), (88, 326300), (100, 287144), (104, 276100), (110, 261040), (130, 220880), (143, 200800), (160, 179465), (176, 163150), (200, 143572), (208, 138050), (220, 130520), (251, 114400), (260, 110440), (275, 104416), (286, 100400), (325, 88352), (352, 81575), (400, 71786), (416, 69025), (440, 65260), (502, 57200), (520, 55220), (550, 52208), (572, 50200), (650, 44176), (715, 40160), (800, 35893), (880, 32630), (1004, 28600), (1040, 27610), (1100, 26104), (1144, 25100), (1255, 22880), (1300, 22088), (1430, 20080), (1760, 16315), (2008, 14300), (2080, 13805), (2200, 13052), (2288, 12550), (2510, 11440), (2600, 11044), (2761, 10400), (2860, 10040), (3263, 8800), (3575, 8032), (4016, 7150), (4400, 6526), (4576, 6275), (5020, 5720), (5200, 5522)]