221285200

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:293

約数の個数: 120

約数和(自身を含む): 554089536

約数和(自身を除く): 332804336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 103, 131, 164, 200, 205, 206, 262, 328, 400, 410, 412, 515, 524, 655, 656, 820, 824, 1025, 1030, 1048, 1310, 1640, 1648, 2050, 2060, 2096, 2575, 2620, 3275, 3280, 4100, 4120, 4223, 5150, 5240, 5371, 6550, 8200, 8240, 8446, 10300, 10480, 10742, 13100, 13493, 16400, 16892, 20600, 21115, 21484, 26200, 26855, 26986, 33784, 41200, 42230, 42968, 52400, 53710, 53972, 67465, 67568, 84460, 85936, 105575, 107420, 107944, 134275, 134930, 168920, 211150, 214840, 215888, 268550, 269860, 337325, 337840, 422300, 429680, 537100, 539720, 553213, 674650, 844600, 1074200, 1079440, 1106426, 1349300, 1689200, 2148400, 2212852, 2698600, 2766065, 4425704, 5397200, 5532130, 8851408, 11064260, 13830325, 22128520, 27660650, 44257040, 55321300, 110642600, 221285200]

約数ペア:

[(1, 221285200), (2, 110642600), (4, 55321300), (5, 44257040), (8, 27660650), (10, 22128520), (16, 13830325), (20, 11064260), (25, 8851408), (40, 5532130), (41, 5397200), (50, 4425704), (80, 2766065), (82, 2698600), (100, 2212852), (103, 2148400), (131, 1689200), (164, 1349300), (200, 1106426), (205, 1079440), (206, 1074200), (262, 844600), (328, 674650), (400, 553213), (410, 539720), (412, 537100), (515, 429680), (524, 422300), (655, 337840), (656, 337325), (820, 269860), (824, 268550), (1025, 215888), (1030, 214840), (1048, 211150), (1310, 168920), (1640, 134930), (1648, 134275), (2050, 107944), (2060, 107420), (2096, 105575), (2575, 85936), (2620, 84460), (3275, 67568), (3280, 67465), (4100, 53972), (4120, 53710), (4223, 52400), (5150, 42968), (5240, 42230), (5371, 41200), (6550, 33784), (8200, 26986), (8240, 26855), (8446, 26200), (10300, 21484), (10480, 21115), (10742, 20600), (13100, 16892), (13493, 16400)]