207801100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 524966400

約数和(自身を除く): 317165300

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 47, 50, 52, 65, 76, 94, 95, 100, 130, 179, 188, 190, 235, 247, 260, 325, 358, 380, 470, 475, 494, 611, 650, 716, 893, 895, 940, 950, 988, 1175, 1222, 1235, 1300, 1786, 1790, 1900, 2327, 2350, 2444, 2470, 3055, 3401, 3572, 3580, 4465, 4475, 4654, 4700, 4940, 6110, 6175, 6802, 8413, 8930, 8950, 9308, 11609, 11635, 12220, 12350, 13604, 15275, 16826, 17005, 17860, 17900, 22325, 23218, 23270, 24700, 30550, 33652, 34010, 42065, 44213, 44650, 46436, 46540, 58045, 58175, 61100, 68020, 84130, 85025, 88426, 89300, 109369, 116090, 116350, 159847, 168260, 170050, 176852, 210325, 218738, 221065, 232180, 232700, 290225, 319694, 340100, 420650, 437476, 442130, 546845, 580450, 639388, 799235, 841300, 884260, 1093690, 1105325, 1160900, 1598470, 2078011, 2187380, 2210650, 2734225, 3196940, 3996175, 4156022, 4421300, 5468450, 7992350, 8312044, 10390055, 10936900, 15984700, 20780110, 41560220, 51950275, 103900550, 207801100]

約数ペア:

[(1, 207801100), (2, 103900550), (4, 51950275), (5, 41560220), (10, 20780110), (13, 15984700), (19, 10936900), (20, 10390055), (25, 8312044), (26, 7992350), (38, 5468450), (47, 4421300), (50, 4156022), (52, 3996175), (65, 3196940), (76, 2734225), (94, 2210650), (95, 2187380), (100, 2078011), (130, 1598470), (179, 1160900), (188, 1105325), (190, 1093690), (235, 884260), (247, 841300), (260, 799235), (325, 639388), (358, 580450), (380, 546845), (470, 442130), (475, 437476), (494, 420650), (611, 340100), (650, 319694), (716, 290225), (893, 232700), (895, 232180), (940, 221065), (950, 218738), (988, 210325), (1175, 176852), (1222, 170050), (1235, 168260), (1300, 159847), (1786, 116350), (1790, 116090), (1900, 109369), (2327, 89300), (2350, 88426), (2444, 85025), (2470, 84130), (3055, 68020), (3401, 61100), (3572, 58175), (3580, 58045), (4465, 46540), (4475, 46436), (4654, 44650), (4700, 44213), (4940, 42065), (6110, 34010), (6175, 33652), (6802, 30550), (8413, 24700), (8930, 23270), (8950, 23218), (9308, 22325), (11609, 17900), (11635, 17860), (12220, 17005), (12350, 16826), (13604, 15275)]