2019801860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{541}}^1$

素因数の和:777

約数の個数: 96

約数和(自身を含む): 4531857120

約数和(自身を除く): 2512055260

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 82, 116, 145, 157, 164, 205, 290, 314, 410, 541, 580, 628, 785, 820, 1082, 1189, 1570, 2164, 2378, 2705, 3140, 4553, 4756, 5410, 5945, 6437, 9106, 10820, 11890, 12874, 15689, 18212, 22181, 22765, 23780, 25748, 31378, 32185, 44362, 45530, 62756, 64370, 78445, 84937, 88724, 91060, 110905, 128740, 156890, 169874, 186673, 221810, 313780, 339748, 373346, 424685, 443620, 643249, 746692, 849370, 933365, 1286498, 1698740, 1866730, 2463173, 2572996, 3216245, 3482417, 3733460, 4926346, 6432490, 6964834, 9852692, 12315865, 12864980, 13929668, 17412085, 24631730, 34824170, 49263460, 69648340, 100990093, 201980186, 403960372, 504950465, 1009900930, 2019801860]

約数ペア:

[(1, 2019801860), (2, 1009900930), (4, 504950465), (5, 403960372), (10, 201980186), (20, 100990093), (29, 69648340), (41, 49263460), (58, 34824170), (82, 24631730), (116, 17412085), (145, 13929668), (157, 12864980), (164, 12315865), (205, 9852692), (290, 6964834), (314, 6432490), (410, 4926346), (541, 3733460), (580, 3482417), (628, 3216245), (785, 2572996), (820, 2463173), (1082, 1866730), (1189, 1698740), (1570, 1286498), (2164, 933365), (2378, 849370), (2705, 746692), (3140, 643249), (4553, 443620), (4756, 424685), (5410, 373346), (5945, 339748), (6437, 313780), (9106, 221810), (10820, 186673), (11890, 169874), (12874, 156890), (15689, 128740), (18212, 110905), (22181, 91060), (22765, 88724), (23780, 84937), (25748, 78445), (31378, 64370), (32185, 62756), (44362, 45530)]