2478199750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{1553}}^1$

素因数の和:2074

約数の個数: 64

約数和(自身を含む): 5009449536

約数和(自身を除く): 2531249786

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 491, 650, 982, 1553, 1625, 2455, 3106, 3250, 4910, 6383, 7765, 12275, 12766, 15530, 20189, 24550, 31915, 38825, 40378, 61375, 63830, 77650, 100945, 122750, 159575, 194125, 201890, 319150, 388250, 504725, 762523, 797875, 1009450, 1525046, 1595750, 2523625, 3812615, 5047250, 7625230, 9912799, 19063075, 19825598, 38126150, 49563995, 95315375, 99127990, 190630750, 247819975, 495639950, 1239099875, 2478199750]

約数ペア:

[(1, 2478199750), (2, 1239099875), (5, 495639950), (10, 247819975), (13, 190630750), (25, 99127990), (26, 95315375), (50, 49563995), (65, 38126150), (125, 19825598), (130, 19063075), (250, 9912799), (325, 7625230), (491, 5047250), (650, 3812615), (982, 2523625), (1553, 1595750), (1625, 1525046), (2455, 1009450), (3106, 797875), (3250, 762523), (4910, 504725), (6383, 388250), (7765, 319150), (12275, 201890), (12766, 194125), (15530, 159575), (20189, 122750), (24550, 100945), (31915, 77650), (38825, 63830), (40378, 61375)]