219297100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 549964800

約数和(自身を除く): 330667700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 59, 62, 100, 109, 110, 118, 124, 155, 218, 220, 236, 275, 295, 310, 341, 436, 545, 550, 590, 620, 649, 682, 775, 1090, 1100, 1180, 1199, 1298, 1364, 1475, 1550, 1705, 1829, 2180, 2398, 2596, 2725, 2950, 3100, 3245, 3379, 3410, 3658, 4796, 5450, 5900, 5995, 6431, 6490, 6758, 6820, 7316, 8525, 9145, 10900, 11990, 12862, 12980, 13516, 16225, 16895, 17050, 18290, 20119, 23980, 25724, 29975, 32155, 32450, 33790, 34100, 36580, 37169, 40238, 45725, 59950, 64310, 64900, 67580, 70741, 74338, 80476, 84475, 91450, 100595, 119900, 128620, 141482, 148676, 160775, 168950, 182900, 185845, 199361, 201190, 282964, 321550, 337900, 353705, 371690, 398722, 402380, 502975, 643100, 707410, 743380, 797444, 929225, 996805, 1005950, 1414820, 1768525, 1858450, 1993610, 2011900, 2192971, 3537050, 3716900, 3987220, 4385942, 4984025, 7074100, 8771884, 9968050, 10964855, 19936100, 21929710, 43859420, 54824275, 109648550, 219297100]

約数ペア:

[(1, 219297100), (2, 109648550), (4, 54824275), (5, 43859420), (10, 21929710), (11, 19936100), (20, 10964855), (22, 9968050), (25, 8771884), (31, 7074100), (44, 4984025), (50, 4385942), (55, 3987220), (59, 3716900), (62, 3537050), (100, 2192971), (109, 2011900), (110, 1993610), (118, 1858450), (124, 1768525), (155, 1414820), (218, 1005950), (220, 996805), (236, 929225), (275, 797444), (295, 743380), (310, 707410), (341, 643100), (436, 502975), (545, 402380), (550, 398722), (590, 371690), (620, 353705), (649, 337900), (682, 321550), (775, 282964), (1090, 201190), (1100, 199361), (1180, 185845), (1199, 182900), (1298, 168950), (1364, 160775), (1475, 148676), (1550, 141482), (1705, 128620), (1829, 119900), (2180, 100595), (2398, 91450), (2596, 84475), (2725, 80476), (2950, 74338), (3100, 70741), (3245, 67580), (3379, 64900), (3410, 64310), (3658, 59950), (4796, 45725), (5450, 40238), (5900, 37169), (5995, 36580), (6431, 34100), (6490, 33790), (6758, 32450), (6820, 32155), (7316, 29975), (8525, 25724), (9145, 23980), (10900, 20119), (11990, 18290), (12862, 17050), (12980, 16895), (13516, 16225)]