249670520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{24671}}^1$

素因数の和:24716

約数の個数: 64

約数和(自身を含む): 639498240

約数和(自身を除く): 389827720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 10120, 24671, 49342, 98684, 123355, 197368, 246710, 271381, 493420, 542762, 567433, 986840, 1085524, 1134866, 1356905, 2171048, 2269732, 2713810, 2837165, 4539464, 5427620, 5674330, 6241763, 10855240, 11348660, 12483526, 22697320, 24967052, 31208815, 49934104, 62417630, 124835260, 249670520]

約数ペア:

[(1, 249670520), (2, 124835260), (4, 62417630), (5, 49934104), (8, 31208815), (10, 24967052), (11, 22697320), (20, 12483526), (22, 11348660), (23, 10855240), (40, 6241763), (44, 5674330), (46, 5427620), (55, 4539464), (88, 2837165), (92, 2713810), (110, 2269732), (115, 2171048), (184, 1356905), (220, 1134866), (230, 1085524), (253, 986840), (440, 567433), (460, 542762), (506, 493420), (920, 271381), (1012, 246710), (1265, 197368), (2024, 123355), (2530, 98684), (5060, 49342), (10120, 24671)]