205997400

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{16349}}^1$

素因数の和:16378

約数の個数: 144

約数和(自身を含む): 790686000

約数和(自身を除く): 584688600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 126, 140, 150, 168, 175, 180, 200, 210, 225, 252, 280, 300, 315, 350, 360, 420, 450, 504, 525, 600, 630, 700, 840, 900, 1050, 1260, 1400, 1575, 1800, 2100, 2520, 3150, 4200, 6300, 12600, 16349, 32698, 49047, 65396, 81745, 98094, 114443, 130792, 147141, 163490, 196188, 228886, 245235, 294282, 326980, 343329, 392376, 408725, 457772, 490470, 572215, 588564, 653960, 686658, 735705, 817450, 915544, 980940, 1029987, 1144430, 1177128, 1226175, 1373316, 1471410, 1634900, 1716645, 1961880, 2059974, 2288860, 2452350, 2746632, 2861075, 2942820, 3269800, 3433290, 3678525, 4119948, 4577720, 4904700, 5149935, 5722150, 5885640, 6866580, 7357050, 8239896, 8583225, 9809400, 10299870, 11444300, 13733160, 14714100, 17166450, 20599740, 22888600, 25749675, 29428200, 34332900, 41199480, 51499350, 68665800, 102998700, 205997400]

約数ペア:

[(1, 205997400), (2, 102998700), (3, 68665800), (4, 51499350), (5, 41199480), (6, 34332900), (7, 29428200), (8, 25749675), (9, 22888600), (10, 20599740), (12, 17166450), (14, 14714100), (15, 13733160), (18, 11444300), (20, 10299870), (21, 9809400), (24, 8583225), (25, 8239896), (28, 7357050), (30, 6866580), (35, 5885640), (36, 5722150), (40, 5149935), (42, 4904700), (45, 4577720), (50, 4119948), (56, 3678525), (60, 3433290), (63, 3269800), (70, 2942820), (72, 2861075), (75, 2746632), (84, 2452350), (90, 2288860), (100, 2059974), (105, 1961880), (120, 1716645), (126, 1634900), (140, 1471410), (150, 1373316), (168, 1226175), (175, 1177128), (180, 1144430), (200, 1029987), (210, 980940), (225, 915544), (252, 817450), (280, 735705), (300, 686658), (315, 653960), (350, 588564), (360, 572215), (420, 490470), (450, 457772), (504, 408725), (525, 392376), (600, 343329), (630, 326980), (700, 294282), (840, 245235), (900, 228886), (1050, 196188), (1260, 163490), (1400, 147141), (1575, 130792), (1800, 114443), (2100, 98094), (2520, 81745), (3150, 65396), (4200, 49047), (6300, 32698), (12600, 16349)]