2600400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1$

素因数の和:229

約数の個数: 120

約数和(自身を含む): 9133344

約数和(自身を除く): 6532944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 33, 40, 44, 48, 50, 55, 60, 66, 75, 80, 88, 100, 110, 120, 132, 150, 165, 176, 197, 200, 220, 240, 264, 275, 300, 330, 394, 400, 440, 528, 550, 591, 600, 660, 788, 825, 880, 985, 1100, 1182, 1200, 1320, 1576, 1650, 1970, 2167, 2200, 2364, 2640, 2955, 3152, 3300, 3940, 4334, 4400, 4728, 4925, 5910, 6501, 6600, 7880, 8668, 9456, 9850, 10835, 11820, 13002, 13200, 14775, 15760, 17336, 19700, 21670, 23640, 26004, 29550, 32505, 34672, 39400, 43340, 47280, 52008, 54175, 59100, 65010, 78800, 86680, 104016, 108350, 118200, 130020, 162525, 173360, 216700, 236400, 260040, 325050, 433400, 520080, 650100, 866800, 1300200, 2600400]

約数ペア:

[(1, 2600400), (2, 1300200), (3, 866800), (4, 650100), (5, 520080), (6, 433400), (8, 325050), (10, 260040), (11, 236400), (12, 216700), (15, 173360), (16, 162525), (20, 130020), (22, 118200), (24, 108350), (25, 104016), (30, 86680), (33, 78800), (40, 65010), (44, 59100), (48, 54175), (50, 52008), (55, 47280), (60, 43340), (66, 39400), (75, 34672), (80, 32505), (88, 29550), (100, 26004), (110, 23640), (120, 21670), (132, 19700), (150, 17336), (165, 15760), (176, 14775), (197, 13200), (200, 13002), (220, 11820), (240, 10835), (264, 9850), (275, 9456), (300, 8668), (330, 7880), (394, 6600), (400, 6501), (440, 5910), (528, 4925), (550, 4728), (591, 4400), (600, 4334), (660, 3940), (788, 3300), (825, 3152), (880, 2955), (985, 2640), (1100, 2364), (1182, 2200), (1200, 2167), (1320, 1970), (1576, 1650)]