74998900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:469

約数の個数: 72

約数和(自身を含む): 174035736

約数和(自身を除く): 99036836

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 157, 170, 281, 314, 340, 425, 562, 628, 785, 850, 1124, 1405, 1570, 1700, 2669, 2810, 3140, 3925, 4777, 5338, 5620, 7025, 7850, 9554, 10676, 13345, 14050, 15700, 19108, 23885, 26690, 28100, 44117, 47770, 53380, 66725, 88234, 95540, 119425, 133450, 176468, 220585, 238850, 266900, 441170, 477700, 749989, 882340, 1102925, 1499978, 2205850, 2999956, 3749945, 4411700, 7499890, 14999780, 18749725, 37499450, 74998900]

約数ペア:

[(1, 74998900), (2, 37499450), (4, 18749725), (5, 14999780), (10, 7499890), (17, 4411700), (20, 3749945), (25, 2999956), (34, 2205850), (50, 1499978), (68, 1102925), (85, 882340), (100, 749989), (157, 477700), (170, 441170), (281, 266900), (314, 238850), (340, 220585), (425, 176468), (562, 133450), (628, 119425), (785, 95540), (850, 88234), (1124, 66725), (1405, 53380), (1570, 47770), (1700, 44117), (2669, 28100), (2810, 26690), (3140, 23885), (3925, 19108), (4777, 15700), (5338, 14050), (5620, 13345), (7025, 10676), (7850, 9554)]