91509020

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 195682368

約数和(自身を除く): 104173348

約数列:

[1, 2, 4, 5, 10, 20, 151, 157, 193, 302, 314, 386, 604, 628, 755, 772, 785, 965, 1510, 1570, 1930, 3020, 3140, 3860, 23707, 29143, 30301, 47414, 58286, 60602, 94828, 116572, 118535, 121204, 145715, 151505, 237070, 291430, 303010, 474140, 582860, 606020, 4575451, 9150902, 18301804, 22877255, 45754510, 91509020]

約数ペア:

[(1, 91509020), (2, 45754510), (4, 22877255), (5, 18301804), (10, 9150902), (20, 4575451), (151, 606020), (157, 582860), (193, 474140), (302, 303010), (314, 291430), (386, 237070), (604, 151505), (628, 145715), (755, 121204), (772, 118535), (785, 116572), (965, 94828), (1510, 60602), (1570, 58286), (1930, 47414), (3020, 30301), (3140, 29143), (3860, 23707)]