421377200

素因数分解:

$2^4\times 5^2\times {\mathrm{257}}^1\times {\mathrm{4099}}^1$

素因数の和:4374

約数の個数: 60

約数和(自身を含む): 1016545800

約数和(自身を除く): 595168600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 257, 400, 514, 1028, 1285, 2056, 2570, 4099, 4112, 5140, 6425, 8198, 10280, 12850, 16396, 20495, 20560, 25700, 32792, 40990, 51400, 65584, 81980, 102475, 102800, 163960, 204950, 327920, 409900, 819800, 1053443, 1639600, 2106886, 4213772, 5267215, 8427544, 10534430, 16855088, 21068860, 26336075, 42137720, 52672150, 84275440, 105344300, 210688600, 421377200]

約数ペア:

[(1, 421377200), (2, 210688600), (4, 105344300), (5, 84275440), (8, 52672150), (10, 42137720), (16, 26336075), (20, 21068860), (25, 16855088), (40, 10534430), (50, 8427544), (80, 5267215), (100, 4213772), (200, 2106886), (257, 1639600), (400, 1053443), (514, 819800), (1028, 409900), (1285, 327920), (2056, 204950), (2570, 163960), (4099, 102800), (4112, 102475), (5140, 81980), (6425, 65584), (8198, 51400), (10280, 40990), (12850, 32792), (16396, 25700), (20495, 20560)]