1488400

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^2$

素因数の和:140

約数の個数: 45

約数和(自身を含む): 3635463

約数和(自身を除く): 2147063

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 200, 244, 305, 400, 488, 610, 976, 1220, 1525, 2440, 3050, 3721, 4880, 6100, 7442, 12200, 14884, 18605, 24400, 29768, 37210, 59536, 74420, 93025, 148840, 186050, 297680, 372100, 744200, 1488400]

約数ペア:

[(1, 1488400), (2, 744200), (4, 372100), (5, 297680), (8, 186050), (10, 148840), (16, 93025), (20, 74420), (25, 59536), (40, 37210), (50, 29768), (61, 24400), (80, 18605), (100, 14884), (122, 12200), (200, 7442), (244, 6100), (305, 4880), (400, 3721), (488, 3050), (610, 2440), (976, 1525)]