9847700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 23123520

約数和(自身を除く): 13275820

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 71, 73, 76, 95, 100, 142, 146, 190, 284, 292, 355, 365, 380, 475, 710, 730, 950, 1349, 1387, 1420, 1460, 1775, 1825, 1900, 2698, 2774, 3550, 3650, 5183, 5396, 5548, 6745, 6935, 7100, 7300, 10366, 13490, 13870, 20732, 25915, 26980, 27740, 33725, 34675, 51830, 67450, 69350, 98477, 103660, 129575, 134900, 138700, 196954, 259150, 393908, 492385, 518300, 984770, 1969540, 2461925, 4923850, 9847700]

約数ペア:

[(1, 9847700), (2, 4923850), (4, 2461925), (5, 1969540), (10, 984770), (19, 518300), (20, 492385), (25, 393908), (38, 259150), (50, 196954), (71, 138700), (73, 134900), (76, 129575), (95, 103660), (100, 98477), (142, 69350), (146, 67450), (190, 51830), (284, 34675), (292, 33725), (355, 27740), (365, 26980), (380, 25915), (475, 20732), (710, 13870), (730, 13490), (950, 10366), (1349, 7300), (1387, 7100), (1420, 6935), (1460, 6745), (1775, 5548), (1825, 5396), (1900, 5183), (2698, 3650), (2774, 3550)]