205672600

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:738

約数の個数: 144

約数和(自身を含む): 575052480

約数和(自身を除く): 369379880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 49, 50, 56, 62, 70, 98, 100, 124, 140, 155, 175, 196, 200, 217, 245, 248, 280, 310, 350, 392, 434, 490, 620, 677, 700, 775, 868, 980, 1085, 1225, 1240, 1354, 1400, 1519, 1550, 1736, 1960, 2170, 2450, 2708, 3038, 3100, 3385, 4340, 4739, 4900, 5416, 5425, 6076, 6200, 6770, 7595, 8680, 9478, 9800, 10850, 12152, 13540, 15190, 16925, 18956, 20987, 21700, 23695, 27080, 30380, 33173, 33850, 37912, 37975, 41974, 43400, 47390, 60760, 66346, 67700, 75950, 83948, 94780, 104935, 118475, 132692, 135400, 146909, 151900, 165865, 167896, 189560, 209870, 236950, 265384, 293818, 303800, 331730, 419740, 473900, 524675, 587636, 663460, 734545, 829325, 839480, 947800, 1028363, 1049350, 1175272, 1326920, 1469090, 1658650, 2056726, 2098700, 2938180, 3317300, 3672725, 4113452, 4197400, 5141815, 5876360, 6634600, 7345450, 8226904, 10283630, 14690900, 20567260, 25709075, 29381800, 41134520, 51418150, 102836300, 205672600]

約数ペア:

[(1, 205672600), (2, 102836300), (4, 51418150), (5, 41134520), (7, 29381800), (8, 25709075), (10, 20567260), (14, 14690900), (20, 10283630), (25, 8226904), (28, 7345450), (31, 6634600), (35, 5876360), (40, 5141815), (49, 4197400), (50, 4113452), (56, 3672725), (62, 3317300), (70, 2938180), (98, 2098700), (100, 2056726), (124, 1658650), (140, 1469090), (155, 1326920), (175, 1175272), (196, 1049350), (200, 1028363), (217, 947800), (245, 839480), (248, 829325), (280, 734545), (310, 663460), (350, 587636), (392, 524675), (434, 473900), (490, 419740), (620, 331730), (677, 303800), (700, 293818), (775, 265384), (868, 236950), (980, 209870), (1085, 189560), (1225, 167896), (1240, 165865), (1354, 151900), (1400, 146909), (1519, 135400), (1550, 132692), (1736, 118475), (1960, 104935), (2170, 94780), (2450, 83948), (2708, 75950), (3038, 67700), (3100, 66346), (3385, 60760), (4340, 47390), (4739, 43400), (4900, 41974), (5416, 37975), (5425, 37912), (6076, 33850), (6200, 33173), (6770, 30380), (7595, 27080), (8680, 23695), (9478, 21700), (9800, 20987), (10850, 18956), (12152, 16925), (13540, 15190)]