389600250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1353

約数の個数: 128

約数和(自身を含む): 1081866240

約数和(自身を除く): 692265990

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 31, 39, 50, 62, 65, 75, 78, 93, 125, 130, 150, 155, 186, 195, 250, 310, 325, 375, 390, 403, 465, 650, 750, 775, 806, 930, 975, 1209, 1289, 1550, 1625, 1950, 2015, 2325, 2418, 2578, 3250, 3867, 3875, 4030, 4650, 4875, 6045, 6445, 7734, 7750, 9750, 10075, 11625, 12090, 12890, 16757, 19335, 20150, 23250, 30225, 32225, 33514, 38670, 39959, 50271, 50375, 60450, 64450, 79918, 83785, 96675, 100542, 100750, 119877, 151125, 161125, 167570, 193350, 199795, 239754, 251355, 302250, 322250, 399590, 418925, 483375, 502710, 519467, 599385, 837850, 966750, 998975, 1038934, 1198770, 1256775, 1558401, 1997950, 2094625, 2513550, 2597335, 2996925, 3116802, 4189250, 4994875, 5194670, 5993850, 6283875, 7792005, 9989750, 12567750, 12986675, 14984625, 15584010, 25973350, 29969250, 38960025, 64933375, 77920050, 129866750, 194800125, 389600250]

約数ペア:

[(1, 389600250), (2, 194800125), (3, 129866750), (5, 77920050), (6, 64933375), (10, 38960025), (13, 29969250), (15, 25973350), (25, 15584010), (26, 14984625), (30, 12986675), (31, 12567750), (39, 9989750), (50, 7792005), (62, 6283875), (65, 5993850), (75, 5194670), (78, 4994875), (93, 4189250), (125, 3116802), (130, 2996925), (150, 2597335), (155, 2513550), (186, 2094625), (195, 1997950), (250, 1558401), (310, 1256775), (325, 1198770), (375, 1038934), (390, 998975), (403, 966750), (465, 837850), (650, 599385), (750, 519467), (775, 502710), (806, 483375), (930, 418925), (975, 399590), (1209, 322250), (1289, 302250), (1550, 251355), (1625, 239754), (1950, 199795), (2015, 193350), (2325, 167570), (2418, 161125), (2578, 151125), (3250, 119877), (3867, 100750), (3875, 100542), (4030, 96675), (4650, 83785), (4875, 79918), (6045, 64450), (6445, 60450), (7734, 50375), (7750, 50271), (9750, 39959), (10075, 38670), (11625, 33514), (12090, 32225), (12890, 30225), (16757, 23250), (19335, 20150)]