278629910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{3023}}^1$

素因数の和:3752

約数の個数: 32

約数和(自身を含む): 541054080

約数和(自身を除く): 262424170

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 709, 1418, 3023, 3545, 6046, 7090, 9217, 15115, 18434, 30230, 39299, 46085, 78598, 92170, 196495, 392990, 2143307, 4286614, 10716535, 21433070, 27862991, 55725982, 139314955, 278629910]

約数ペア:

[(1, 278629910), (2, 139314955), (5, 55725982), (10, 27862991), (13, 21433070), (26, 10716535), (65, 4286614), (130, 2143307), (709, 392990), (1418, 196495), (3023, 92170), (3545, 78598), (6046, 46085), (7090, 39299), (9217, 30230), (15115, 18434)]