208538300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2677}}^1$

素因数の和:2751

約数の個数: 72

約数和(自身を含む): 488145840

約数和(自身を除く): 279607540

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 41, 50, 76, 82, 95, 100, 164, 190, 205, 380, 410, 475, 779, 820, 950, 1025, 1558, 1900, 2050, 2677, 3116, 3895, 4100, 5354, 7790, 10708, 13385, 15580, 19475, 26770, 38950, 50863, 53540, 66925, 77900, 101726, 109757, 133850, 203452, 219514, 254315, 267700, 439028, 508630, 548785, 1017260, 1097570, 1271575, 2085383, 2195140, 2543150, 2743925, 4170766, 5086300, 5487850, 8341532, 10426915, 10975700, 20853830, 41707660, 52134575, 104269150, 208538300]

約数ペア:

[(1, 208538300), (2, 104269150), (4, 52134575), (5, 41707660), (10, 20853830), (19, 10975700), (20, 10426915), (25, 8341532), (38, 5487850), (41, 5086300), (50, 4170766), (76, 2743925), (82, 2543150), (95, 2195140), (100, 2085383), (164, 1271575), (190, 1097570), (205, 1017260), (380, 548785), (410, 508630), (475, 439028), (779, 267700), (820, 254315), (950, 219514), (1025, 203452), (1558, 133850), (1900, 109757), (2050, 101726), (2677, 77900), (3116, 66925), (3895, 53540), (4100, 50863), (5354, 38950), (7790, 26770), (10708, 19475), (13385, 15580)]