208600240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:315

約数の個数: 120

約数和(自身を含む): 530644608

約数和(自身を除く): 322044368

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 233, 248, 304, 310, 361, 380, 466, 496, 589, 620, 722, 760, 932, 1165, 1178, 1240, 1444, 1520, 1805, 1864, 2330, 2356, 2480, 2888, 2945, 3610, 3728, 4427, 4660, 4712, 5776, 5890, 7220, 7223, 8854, 9320, 9424, 11191, 11780, 14440, 14446, 17708, 18640, 22135, 22382, 23560, 28880, 28892, 35416, 36115, 44270, 44764, 47120, 55955, 57784, 70832, 72230, 84113, 88540, 89528, 111910, 115568, 137237, 144460, 168226, 177080, 179056, 223820, 274474, 288920, 336452, 354160, 420565, 447640, 548948, 577840, 672904, 686185, 841130, 895280, 1097896, 1345808, 1372370, 1682260, 2195792, 2607503, 2744740, 3364520, 5215006, 5489480, 6729040, 10430012, 10978960, 13037515, 20860024, 26075030, 41720048, 52150060, 104300120, 208600240]

約数ペア:

[(1, 208600240), (2, 104300120), (4, 52150060), (5, 41720048), (8, 26075030), (10, 20860024), (16, 13037515), (19, 10978960), (20, 10430012), (31, 6729040), (38, 5489480), (40, 5215006), (62, 3364520), (76, 2744740), (80, 2607503), (95, 2195792), (124, 1682260), (152, 1372370), (155, 1345808), (190, 1097896), (233, 895280), (248, 841130), (304, 686185), (310, 672904), (361, 577840), (380, 548948), (466, 447640), (496, 420565), (589, 354160), (620, 336452), (722, 288920), (760, 274474), (932, 223820), (1165, 179056), (1178, 177080), (1240, 168226), (1444, 144460), (1520, 137237), (1805, 115568), (1864, 111910), (2330, 89528), (2356, 88540), (2480, 84113), (2888, 72230), (2945, 70832), (3610, 57784), (3728, 55955), (4427, 47120), (4660, 44764), (4712, 44270), (5776, 36115), (5890, 35416), (7220, 28892), (7223, 28880), (8854, 23560), (9320, 22382), (9424, 22135), (11191, 18640), (11780, 17708), (14440, 14446)]