278629123925

素因数分解:

$5^2\times {\mathrm{29}}^2\times {\mathrm{181}}^1\times {\mathrm{211}}^1\times {\mathrm{347}}^1$

素因数の和:807

約数の個数: 72

約数和(自身を含む): 362548691232

約数和(自身を除く): 83919567307

約数列:

[1, 5, 25, 29, 145, 181, 211, 347, 725, 841, 905, 1055, 1735, 4205, 4525, 5249, 5275, 6119, 8675, 10063, 21025, 26245, 30595, 38191, 50315, 62807, 73217, 131225, 152221, 152975, 177451, 190955, 251575, 291827, 314035, 366085, 761105, 887255, 954775, 1107539, 1459135, 1570175, 1821403, 1830425, 2123293, 3805525, 4436275, 5537695, 7295675, 9107015, 10616465, 13252277, 27688475, 32118631, 45535075, 52820687, 53082325, 61575497, 66261385, 160593155, 264103435, 307877485, 331306925, 384316033, 802965775, 1320517175, 1539387425, 1921580165, 9607900825, 11145164957, 55725824785, 278629123925]

約数ペア:

[(1, 278629123925), (5, 55725824785), (25, 11145164957), (29, 9607900825), (145, 1921580165), (181, 1539387425), (211, 1320517175), (347, 802965775), (725, 384316033), (841, 331306925), (905, 307877485), (1055, 264103435), (1735, 160593155), (4205, 66261385), (4525, 61575497), (5249, 53082325), (5275, 52820687), (6119, 45535075), (8675, 32118631), (10063, 27688475), (21025, 13252277), (26245, 10616465), (30595, 9107015), (38191, 7295675), (50315, 5537695), (62807, 4436275), (73217, 3805525), (131225, 2123293), (152221, 1830425), (152975, 1821403), (177451, 1570175), (190955, 1459135), (251575, 1107539), (291827, 954775), (314035, 887255), (366085, 761105)]