76703920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 186202368

約数和(自身を除く): 109498448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 157, 197, 248, 310, 314, 394, 496, 620, 628, 785, 788, 985, 1240, 1256, 1570, 1576, 1970, 2480, 2512, 3140, 3152, 3940, 4867, 6107, 6280, 7880, 9734, 12214, 12560, 15760, 19468, 24335, 24428, 30535, 30929, 38936, 48670, 48856, 61070, 61858, 77872, 97340, 97712, 122140, 123716, 154645, 194680, 244280, 247432, 309290, 389360, 488560, 494864, 618580, 958799, 1237160, 1917598, 2474320, 3835196, 4793995, 7670392, 9587990, 15340784, 19175980, 38351960, 76703920]

約数ペア:

[(1, 76703920), (2, 38351960), (4, 19175980), (5, 15340784), (8, 9587990), (10, 7670392), (16, 4793995), (20, 3835196), (31, 2474320), (40, 1917598), (62, 1237160), (80, 958799), (124, 618580), (155, 494864), (157, 488560), (197, 389360), (248, 309290), (310, 247432), (314, 244280), (394, 194680), (496, 154645), (620, 123716), (628, 122140), (785, 97712), (788, 97340), (985, 77872), (1240, 61858), (1256, 61070), (1570, 48856), (1576, 48670), (1970, 38936), (2480, 30929), (2512, 30535), (3140, 24428), (3152, 24335), (3940, 19468), (4867, 15760), (6107, 12560), (6280, 12214), (7880, 9734)]