201933880

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{433}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 464032800

約数和(自身を除く): 262098920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 131, 178, 262, 356, 433, 445, 524, 655, 712, 866, 890, 1048, 1310, 1732, 1780, 2165, 2620, 3464, 3560, 4330, 5240, 8660, 11659, 17320, 23318, 38537, 46636, 56723, 58295, 77074, 93272, 113446, 116590, 154148, 192685, 226892, 233180, 283615, 308296, 385370, 453784, 466360, 567230, 770740, 1134460, 1541480, 2268920, 5048347, 10096694, 20193388, 25241735, 40386776, 50483470, 100966940, 201933880]

約数ペア:

[(1, 201933880), (2, 100966940), (4, 50483470), (5, 40386776), (8, 25241735), (10, 20193388), (20, 10096694), (40, 5048347), (89, 2268920), (131, 1541480), (178, 1134460), (262, 770740), (356, 567230), (433, 466360), (445, 453784), (524, 385370), (655, 308296), (712, 283615), (866, 233180), (890, 226892), (1048, 192685), (1310, 154148), (1732, 116590), (1780, 113446), (2165, 93272), (2620, 77074), (3464, 58295), (3560, 56723), (4330, 46636), (5240, 38537), (8660, 23318), (11659, 17320)]