4748240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 80

約数和(自身を含む): 12915840

約数和(自身を除く): 8167600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 139, 140, 244, 278, 280, 305, 427, 488, 556, 560, 610, 695, 854, 973, 976, 1112, 1220, 1390, 1708, 1946, 2135, 2224, 2440, 2780, 3416, 3892, 4270, 4865, 4880, 5560, 6832, 7784, 8479, 8540, 9730, 11120, 15568, 16958, 17080, 19460, 33916, 34160, 38920, 42395, 59353, 67832, 77840, 84790, 118706, 135664, 169580, 237412, 296765, 339160, 474824, 593530, 678320, 949648, 1187060, 2374120, 4748240]

約数ペア:

[(1, 4748240), (2, 2374120), (4, 1187060), (5, 949648), (7, 678320), (8, 593530), (10, 474824), (14, 339160), (16, 296765), (20, 237412), (28, 169580), (35, 135664), (40, 118706), (56, 84790), (61, 77840), (70, 67832), (80, 59353), (112, 42395), (122, 38920), (139, 34160), (140, 33916), (244, 19460), (278, 17080), (280, 16958), (305, 15568), (427, 11120), (488, 9730), (556, 8540), (560, 8479), (610, 7784), (695, 6832), (854, 5560), (973, 4880), (976, 4865), (1112, 4270), (1220, 3892), (1390, 3416), (1708, 2780), (1946, 2440), (2135, 2224)]