54242420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 116898768

約数和(自身を除く): 62656348

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 173, 244, 257, 305, 346, 514, 610, 692, 865, 1028, 1220, 1285, 1730, 2570, 3460, 5140, 10553, 15677, 21106, 31354, 42212, 44461, 52765, 62708, 78385, 88922, 105530, 156770, 177844, 211060, 222305, 313540, 444610, 889220, 2712121, 5424242, 10848484, 13560605, 27121210, 54242420]

約数ペア:

[(1, 54242420), (2, 27121210), (4, 13560605), (5, 10848484), (10, 5424242), (20, 2712121), (61, 889220), (122, 444610), (173, 313540), (244, 222305), (257, 211060), (305, 177844), (346, 156770), (514, 105530), (610, 88922), (692, 78385), (865, 62708), (1028, 52765), (1220, 44461), (1285, 42212), (1730, 31354), (2570, 21106), (3460, 15677), (5140, 10553)]