905087200

素因数分解:

$2^5\times 5^2\times {\mathrm{79}}^1\times {\mathrm{14321}}^1$

素因数の和:14420

約数の個数: 72

約数和(自身を含む): 2237669280

約数和(自身を除く): 1332582080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 79, 80, 100, 158, 160, 200, 316, 395, 400, 632, 790, 800, 1264, 1580, 1975, 2528, 3160, 3950, 6320, 7900, 12640, 14321, 15800, 28642, 31600, 57284, 63200, 71605, 114568, 143210, 229136, 286420, 358025, 458272, 572840, 716050, 1131359, 1145680, 1432100, 2262718, 2291360, 2864200, 4525436, 5656795, 5728400, 9050872, 11313590, 11456800, 18101744, 22627180, 28283975, 36203488, 45254360, 56567950, 90508720, 113135900, 181017440, 226271800, 452543600, 905087200]

約数ペア:

[(1, 905087200), (2, 452543600), (4, 226271800), (5, 181017440), (8, 113135900), (10, 90508720), (16, 56567950), (20, 45254360), (25, 36203488), (32, 28283975), (40, 22627180), (50, 18101744), (79, 11456800), (80, 11313590), (100, 9050872), (158, 5728400), (160, 5656795), (200, 4525436), (316, 2864200), (395, 2291360), (400, 2262718), (632, 1432100), (790, 1145680), (800, 1131359), (1264, 716050), (1580, 572840), (1975, 458272), (2528, 358025), (3160, 286420), (3950, 229136), (6320, 143210), (7900, 114568), (12640, 71605), (14321, 63200), (15800, 57284), (28642, 31600)]