206173840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1259}}^1$

素因数の和:1384

約数の個数: 80

約数和(自身を含む): 506217600

約数和(自身を除く): 300043760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 89, 92, 115, 178, 184, 230, 356, 368, 445, 460, 712, 890, 920, 1259, 1424, 1780, 1840, 2047, 2518, 3560, 4094, 5036, 6295, 7120, 8188, 10072, 10235, 12590, 16376, 20144, 20470, 25180, 28957, 32752, 40940, 50360, 57914, 81880, 100720, 112051, 115828, 144785, 163760, 224102, 231656, 289570, 448204, 463312, 560255, 579140, 896408, 1120510, 1158280, 1792816, 2241020, 2316560, 2577173, 4482040, 5154346, 8964080, 10308692, 12885865, 20617384, 25771730, 41234768, 51543460, 103086920, 206173840]

約数ペア:

[(1, 206173840), (2, 103086920), (4, 51543460), (5, 41234768), (8, 25771730), (10, 20617384), (16, 12885865), (20, 10308692), (23, 8964080), (40, 5154346), (46, 4482040), (80, 2577173), (89, 2316560), (92, 2241020), (115, 1792816), (178, 1158280), (184, 1120510), (230, 896408), (356, 579140), (368, 560255), (445, 463312), (460, 448204), (712, 289570), (890, 231656), (920, 224102), (1259, 163760), (1424, 144785), (1780, 115828), (1840, 112051), (2047, 100720), (2518, 81880), (3560, 57914), (4094, 50360), (5036, 40940), (6295, 32752), (7120, 28957), (8188, 25180), (10072, 20470), (10235, 20144), (12590, 16376)]