9973720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 24131520

約数和(自身を除く): 14157800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 293, 296, 370, 460, 586, 740, 851, 920, 1172, 1465, 1480, 1702, 2344, 2930, 3404, 4255, 5860, 6739, 6808, 8510, 10841, 11720, 13478, 17020, 21682, 26956, 33695, 34040, 43364, 53912, 54205, 67390, 86728, 108410, 134780, 216820, 249343, 269560, 433640, 498686, 997372, 1246715, 1994744, 2493430, 4986860, 9973720]

約数ペア:

[(1, 9973720), (2, 4986860), (4, 2493430), (5, 1994744), (8, 1246715), (10, 997372), (20, 498686), (23, 433640), (37, 269560), (40, 249343), (46, 216820), (74, 134780), (92, 108410), (115, 86728), (148, 67390), (184, 54205), (185, 53912), (230, 43364), (293, 34040), (296, 33695), (370, 26956), (460, 21682), (586, 17020), (740, 13478), (851, 11720), (920, 10841), (1172, 8510), (1465, 6808), (1480, 6739), (1702, 5860), (2344, 4255), (2930, 3404)]