78994970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{1097}}^1$

素因数の和:1502

約数の個数: 32

約数和(自身を含む): 150206400

約数和(自身を除く): 71211430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 379, 758, 1097, 1895, 2194, 3790, 5485, 7201, 10970, 14402, 20843, 36005, 41686, 72010, 104215, 208430, 415763, 831526, 2078815, 4157630, 7899497, 15798994, 39497485, 78994970]

約数ペア:

[(1, 78994970), (2, 39497485), (5, 15798994), (10, 7899497), (19, 4157630), (38, 2078815), (95, 831526), (190, 415763), (379, 208430), (758, 104215), (1097, 72010), (1895, 41686), (2194, 36005), (3790, 20843), (5485, 14402), (7201, 10970)]