278239970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1209739}}^1$

素因数の和:1209769

約数の個数: 16

約数和(自身を含む): 522607680

約数和(自身を除く): 244367710

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 1209739, 2419478, 6048695, 12097390, 27823997, 55647994, 139119985, 278239970]

約数ペア:

[(1, 278239970), (2, 139119985), (5, 55647994), (10, 27823997), (23, 12097390), (46, 6048695), (115, 2419478), (230, 1209739)]