139604020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{15973}}^1$

素因数の和:16024

約数の個数: 48

約数和(自身を含む): 322035840

約数和(自身を除く): 182431820

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 15973, 31946, 63892, 79865, 159730, 303487, 319460, 367379, 606974, 734758, 1213948, 1469516, 1517435, 1836895, 3034870, 3673790, 6069740, 6980201, 7347580, 13960402, 27920804, 34901005, 69802010, 139604020]

約数ペア:

[(1, 139604020), (2, 69802010), (4, 34901005), (5, 27920804), (10, 13960402), (19, 7347580), (20, 6980201), (23, 6069740), (38, 3673790), (46, 3034870), (76, 1836895), (92, 1517435), (95, 1469516), (115, 1213948), (190, 734758), (230, 606974), (380, 367379), (437, 319460), (460, 303487), (874, 159730), (1748, 79865), (2185, 63892), (4370, 31946), (8740, 15973)]