409946800

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{12973}}^1$

素因数の和:13070

約数の個数: 60

約数和(自身を含む): 997441120

約数和(自身を除く): 587494320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 158, 200, 316, 395, 400, 632, 790, 1264, 1580, 1975, 3160, 3950, 6320, 7900, 12973, 15800, 25946, 31600, 51892, 64865, 103784, 129730, 207568, 259460, 324325, 518920, 648650, 1024867, 1037840, 1297300, 2049734, 2594600, 4099468, 5124335, 5189200, 8198936, 10248670, 16397872, 20497340, 25621675, 40994680, 51243350, 81989360, 102486700, 204973400, 409946800]

約数ペア:

[(1, 409946800), (2, 204973400), (4, 102486700), (5, 81989360), (8, 51243350), (10, 40994680), (16, 25621675), (20, 20497340), (25, 16397872), (40, 10248670), (50, 8198936), (79, 5189200), (80, 5124335), (100, 4099468), (158, 2594600), (200, 2049734), (316, 1297300), (395, 1037840), (400, 1024867), (632, 648650), (790, 518920), (1264, 324325), (1580, 259460), (1975, 207568), (3160, 129730), (3950, 103784), (6320, 64865), (7900, 51892), (12973, 31600), (15800, 25946)]