98665480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{659}}^1$

素因数の和:886

約数の個数: 64

約数和(自身を含む): 235224000

約数和(自身を除く): 136558520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 197, 380, 394, 659, 760, 788, 985, 1318, 1576, 1970, 2636, 3295, 3743, 3940, 5272, 6590, 7486, 7880, 12521, 13180, 14972, 18715, 25042, 26360, 29944, 37430, 50084, 62605, 74860, 100168, 125210, 129823, 149720, 250420, 259646, 500840, 519292, 649115, 1038584, 1298230, 2466637, 2596460, 4933274, 5192920, 9866548, 12333185, 19733096, 24666370, 49332740, 98665480]

約数ペア:

[(1, 98665480), (2, 49332740), (4, 24666370), (5, 19733096), (8, 12333185), (10, 9866548), (19, 5192920), (20, 4933274), (38, 2596460), (40, 2466637), (76, 1298230), (95, 1038584), (152, 649115), (190, 519292), (197, 500840), (380, 259646), (394, 250420), (659, 149720), (760, 129823), (788, 125210), (985, 100168), (1318, 74860), (1576, 62605), (1970, 50084), (2636, 37430), (3295, 29944), (3743, 26360), (3940, 25042), (5272, 18715), (6590, 14972), (7486, 13180), (7880, 12521)]