201988554100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1\times {\mathrm{1879}}^1$

素因数の和:2258

約数の個数: 144

約数和(自身を含む): 454813390080

約数和(自身を除く): 252824835980

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 157, 164, 167, 205, 314, 334, 410, 628, 668, 785, 820, 835, 1025, 1570, 1670, 1879, 2050, 3140, 3340, 3758, 3925, 4100, 4175, 6437, 6847, 7516, 7850, 8350, 9395, 12874, 13694, 15700, 16700, 18790, 25748, 26219, 27388, 32185, 34235, 37580, 46975, 52438, 64370, 68470, 77039, 93950, 104876, 128740, 131095, 136940, 154078, 160925, 171175, 187900, 262190, 295003, 308156, 313793, 321850, 342350, 385195, 524380, 590006, 627586, 643700, 655475, 684700, 770390, 1074979, 1180012, 1255172, 1310950, 1475015, 1540780, 1568965, 1925975, 2149958, 2621900, 2950030, 3137930, 3851950, 4299916, 5374895, 5900060, 6275860, 7375075, 7703900, 7844825, 10749790, 12095123, 12865513, 14750150, 15689650, 21499580, 24190246, 25731026, 26874475, 29500300, 31379300, 48380492, 49265501, 51462052, 53748950, 60475615, 64327565, 98531002, 107497900, 120951230, 128655130, 197062004, 241902460, 246327505, 257310260, 302378075, 321637825, 492655010, 604756150, 643275650, 985310020, 1209512300, 1231637525, 1286551300, 2019885541, 2463275050, 4039771082, 4926550100, 8079542164, 10099427705, 20198855410, 40397710820, 50497138525, 100994277050, 201988554100]

約数ペア:

[(1, 201988554100), (2, 100994277050), (4, 50497138525), (5, 40397710820), (10, 20198855410), (20, 10099427705), (25, 8079542164), (41, 4926550100), (50, 4039771082), (82, 2463275050), (100, 2019885541), (157, 1286551300), (164, 1231637525), (167, 1209512300), (205, 985310020), (314, 643275650), (334, 604756150), (410, 492655010), (628, 321637825), (668, 302378075), (785, 257310260), (820, 246327505), (835, 241902460), (1025, 197062004), (1570, 128655130), (1670, 120951230), (1879, 107497900), (2050, 98531002), (3140, 64327565), (3340, 60475615), (3758, 53748950), (3925, 51462052), (4100, 49265501), (4175, 48380492), (6437, 31379300), (6847, 29500300), (7516, 26874475), (7850, 25731026), (8350, 24190246), (9395, 21499580), (12874, 15689650), (13694, 14750150), (15700, 12865513), (16700, 12095123), (18790, 10749790), (25748, 7844825), (26219, 7703900), (27388, 7375075), (32185, 6275860), (34235, 5900060), (37580, 5374895), (46975, 4299916), (52438, 3851950), (64370, 3137930), (68470, 2950030), (77039, 2621900), (93950, 2149958), (104876, 1925975), (128740, 1568965), (131095, 1540780), (136940, 1475015), (154078, 1310950), (160925, 1255172), (171175, 1180012), (187900, 1074979), (262190, 770390), (295003, 684700), (308156, 655475), (313793, 643700), (321850, 627586), (342350, 590006), (385195, 524380)]