161784490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{911}}^1$

素因数の和:1027

約数の個数: 64

約数和(自身を含む): 346705920

約数和(自身を除く): 184921430

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 59, 70, 86, 118, 215, 295, 301, 413, 430, 590, 602, 826, 911, 1505, 1822, 2065, 2537, 3010, 4130, 4555, 5074, 6377, 9110, 12685, 12754, 17759, 25370, 31885, 35518, 39173, 53749, 63770, 78346, 88795, 107498, 177590, 195865, 268745, 274211, 376243, 391730, 537490, 548422, 752486, 1371055, 1881215, 2311207, 2742110, 3762430, 4622414, 11556035, 16178449, 23112070, 32356898, 80892245, 161784490]

約数ペア:

[(1, 161784490), (2, 80892245), (5, 32356898), (7, 23112070), (10, 16178449), (14, 11556035), (35, 4622414), (43, 3762430), (59, 2742110), (70, 2311207), (86, 1881215), (118, 1371055), (215, 752486), (295, 548422), (301, 537490), (413, 391730), (430, 376243), (590, 274211), (602, 268745), (826, 195865), (911, 177590), (1505, 107498), (1822, 88795), (2065, 78346), (2537, 63770), (3010, 53749), (4130, 39173), (4555, 35518), (5074, 31885), (6377, 25370), (9110, 17759), (12685, 12754)]